Network security management

12 official practice questions for the CCNA 200-301 exam

These practice questions for CCNA 200-301 lay out what readers need to know about network security and IP routing in the LAN, from 'CCNA 200-301 Official Cert Guide, Volumes 1 and 2.' Continue Reading

By

• Michaela Goss, Senior Site Editor
• Jennifer English, Executive Editor
• Pearson Education

Ethical hacking: What, why, and overcoming concerns

We find out why and how hitting your own business with a cyber attack can help improve security Continue Reading

By

• Declan Doyle

New Nobelium attacks a reminder to attend to cyber basics

A new campaign from the same threat group that broke into SolarWinds serves as a reminder that cyber crime gangs will try to exploit any avenue they can, even if technically unsophisticated Continue Reading

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• Alex Scroxton, Security Editor

UK’s FCA bans crypto exchange Binance as crackdown spreads

Ban on Binance Markets comes amid a wider global crackdown on the largely unregulated global market for cryptocurrencies and related assets. Continue Reading

By

• Alex Scroxton, Security Editor

Lazada rolls out public bug bounty programme

Regional e-commerce giant Lazada is looking to uncover more vulnerabilities that could compromise data security in a public bug bounty programme that offers up to $10,000 per bounty Continue Reading

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• Aaron Tan, TechTarget

Make ransomware payments illegal, say 79% of cyber pros

Report produced for MSSP Talion claims overwhelming support for the criminalisation of ransomware payments Continue Reading

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• Alex Scroxton, Security Editor

City of York picks Barracuda Networks for data protection

York Council needed to refresh its backup service to bring new security protections after it went ‘all-in’ on Microsoft Office 365 Continue Reading

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• Alex Scroxton, Security Editor

Time to patch increases significantly during pandemic

New data from US-based endpoint management specialist Automox reveals some of the challenges security teams face in keeping up with endpoint security Continue Reading

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• Alex Scroxton, Security Editor

Cloudflare announces new integrations with Microsoft, others

New security integrations with Microsoft Azure Sentinel, Splunk, Datadog and Sumo Logic will supposedly make it easier for users to analyse network security data Continue Reading

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• Alex Scroxton, Security Editor

Innova and RISE drive node development in Sweden

Swedish cyber security project, National Node, opens its doors to the country’s security firms Continue Reading

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• Gerard O'Dwyer

UK SMEs lack capacity to fend off cyber attacks

Three-quarters of UK SME leaders would not have sufficient capacity or expertise to deal with a cyber attack, according to a report Continue Reading

By

• Alex Scroxton, Security Editor

ping sweep (ICMP sweep)

A ping sweep (also known as an ICMP sweep) is a basic network scanning technique used to determine which of a range of IP addresses map to live hosts (computers). Continue Reading

By

• Katie Terrell Hanna

Lorca Ignite programme targets breakout cyber talent

Six of the most successful companies to have come through Lorca’s existing accelerators are being inducted into an intensive programme Continue Reading

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• Alex Scroxton, Security Editor

Carnival Cruises hit by fourth cyber incident in a year

Latest data breach at Covid-hit cruise line comes hot on the heels of two recent ransomware attacks and a spring 2020 breach Continue Reading

By

• Alex Scroxton, Security Editor

UnitingCare Queensland restores IT systems after cyber attack

Australian healthcare service provider has restored key corporate systems and integrations between applications following a cyber attack earlier this year Continue Reading

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• Aaron Tan, TechTarget

The Security Interviews: How to build a government model to ‘hack for good’

Kyle Hanslovan started Huntress to give back after a career in the intelligence sector. After US authorities took action to help people hit by the Microsoft Exchange attacks, we discussed how governments can ‘hack for good’ Continue Reading

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• Alex Scroxton, Security Editor

FBI planned a sting against An0m cryptophone users over drinks with Australian investigators

Australian Federal Police and the FBI came up with the idea over drinks: build a cryptophone network with a built-in backdoor and sell it to crime gangs around the world Continue Reading

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• Bill Goodwin, Computer Weekly

Security Think Tank: To secure printers think process, technology and people

Though rarely discussed in a cyber context, the prevalence of connected printers and MFPs poses security risks both technological and physical. What does a print security strategy need to take into account? Continue Reading

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• Louise Barber, Turnkey Consulting

UK promises tougher line on cyber crime

Speaking ahead of the G7 Summit, foreign secretary Dominic Raab says the UK is ready to take on cyber criminals and other malicious actors wherever they may be Continue Reading

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• Alex Scroxton, Security Editor

How the pandemic changed backup

The Covid-19 pandemic forced big changes in how people work – we look at impacts on backup, including increased reliance on the cloud, plus security and compliance vulnerabilities and ransomware Continue Reading

By

• Stephen Pritchard

Security Think Tank: Time to accept printers will leak data

Though rarely discussed in a cyber context, the prevalence of connected printers and MFPs poses security risks both technological and physical. What does a print security strategy need to take into account? Continue Reading

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• Andy Jones, Information Security Forum (ISF)

Australian organisations face heightened cyber attacks

Nearly three in four Australian organisations experienced cyber attacks that largely resulted from a growing remote workforce in 2020 Continue Reading

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• Aaron Tan, TechTarget

FBI arrests distributors accused of selling An0m encrypted phones to crime groups

Working with overseas law enforcement, the FBI has arrested eight people and named a further 13 accused of distributing An0m phones to organised crime groups Continue Reading

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• Bill Goodwin, Computer Weekly

The rise and rise of supply chain attacks

Supply chain attacks in Asia-Pacific and elsewhere have intensified as cyber threat actors look to exploit the weakest links in business and digital supply chains Continue Reading

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• Aaron Tan, TechTarget

DNS attacks on the rise in APAC

Attacks on the domain name system in Asia-Pacific grew by 15% last year, with Malaysian organisations seeing the sharpest rise in damages among countries in the region Continue Reading

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• Aaron Tan, TechTarget

Security Think Tank: Printers can’t be an ‘add-on’ in your cyber strategy

Though rarely discussed in a cyber context, the prevalence of connected printers and MFPs does pose security risks both technological and physical. What does a print security strategy need to take into account? Continue Reading

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• Michael Howard and Kimberlee Ann Brannock, ISACA

Secrecy around EncroChat cryptophone hack breaches French constitution, court hears

French lawyers claim that investigators are unlawfully withholding details of a cryptophone hacking operation in a case that could impact UK prosecutions Continue Reading

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• Bill Goodwin, Computer Weekly

Reports raise alarm over Huawei access to Dutch networks

Espionage accusations raise security questions for Netherlands organisations using Chinese supplier’s equipment and services Continue Reading

By

• Kim Loohuis

distributed denial-of-service (DDoS) attack

A distributed denial-of-service (DDoS) attack is one in which multiple compromised computer systems attack a target, such as a server, website or other network resource, and cause a denial of service for users of the targeted resource. Continue Reading

By

• Ben Lutkevich, Site Editor
• Kevin Beaver, Principle Logic, LLC

Norway’s auditor general lifts lid on energy industry’s cyber security risks

Auditor General’s Office questions the security posture of Norway’s energy industry Continue Reading

By

• Gerard O'Dwyer

FireEye sold to private equity, Mandiant regains independence

FireEye has agreed to sell its products business and name to a private equity consortium, while Mandiant will spin out as an independent threat intel business Continue Reading

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• Alex Scroxton, Security Editor

Pandemic a ‘once-in-a-lifetime’ chance to reshape security

The volume of remote working has made it hard to paint an accurate picture of the true state of enterprise cyber security, but it presents an opportunity to change things up Continue Reading

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• Alex Scroxton, Security Editor

Security Think Tank: Steps to a coherent print security strategy

Though rarely discussed in a cyber context, the prevalence of connected printers and MFPs poses security risks both technological and physical. What does a print security strategy need to take into account? Continue Reading

By

• Paddy Francis

What the Telecommunications (Security) Bill means for UK industry

The Telecommunications (Security) Bill is intended to reinforce the security of the UK telecommunications infrastructure, but what are the implications for industry? Continue Reading

By

• Peter Ray Allison

Buying a VPN? Here’s what you need to know

VPNs are an effective cyber security tool for businesses and remote workers, but there are many things to consider before purchasing and implementing one. We explore some of these Continue Reading

By

• Nicholas Fearn

Security Think Tank: Printer risks go deep into IT history

Though rarely discussed in a cyber context, the prevalence of connected printers and MFPs does pose security risks both technological and physical. What does a print security strategy need to take into account? Continue Reading

By

• Mike Lloyd, RedSeal

Long-term thinking is vital to secure UK’s critical infrastructure

To face down the threat of cyber warfare against UK CNI, the government needs long-term thinking that looks beyond the next general election cycle, says Advent-IM’s Mike Gillespie Continue Reading

By

• Mike Gillespie

Network reconnaissance techniques for beginners

In this excerpt of 'How Cybersecurity Really Works,' author Sam Grubb breaks down common network reconnaissance techniques used by adversaries to attack wired networks. Continue Reading

By

• Katie Donegan, Social Media Manager
• No Starch Press

Legacy vulnerabilities may be biggest enterprise cyber risk

While high-profile cyber attacks and zero-days grab headlines, statistics gathered by network security specialists Cato suggest CISOs should be addressing legacy threats Continue Reading

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• Alex Scroxton, Security Editor

Dutch researchers build security software to mimic human immune system

Software could help IT systems develop immunity to some cyber attacks in a similar way to how the body fights infection Continue Reading

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• Kim Loohuis

Why the security stack needs to move to the edge

Akamai’s chief technology officer Robert Blumofe makes the case for a decentralised security model to address cyber threats that are emanating from the network edge Continue Reading

By

• Aaron Tan, TechTarget

HP taps micro virtual machines in endpoint security

HP’s Wolf Security technology stack uses an endpoint security controller to run computing tasks in micro virtual machines so that any potential malware can be isolated and contained Continue Reading

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• Aaron Tan, TechTarget

Cisco acquires Kenna Security amid security expansion

Cisco announces a new acquisition alongside service enhancements around XDR and SASE in support of its security customers Continue Reading

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• Alex Scroxton, Security Editor

The real-life consequences of ransomware attacks

In this week’s Computer Weekly, after a ransomware attack shut a major US oil pipeline, we examine the real-life consequences for organisations facing similar threats. We ask the experts for their top tips in reducing datacentre running costs. And we hear how data science skills are helping government make better decisions. Read the issue now. Continue Reading

Conti ransomware syndicate behind attack on Irish health service

More details continue to emerge of the significant ransomware attack on Ireland’s HSE Continue Reading

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• Alex Scroxton, Security Editor

Colonial Pipeline paid $5m ransom, reports say

Colonial Pipeline may have paid a significant ransom within hours of being attacked, it has emerged, but it’s unlikely the story ends here Continue Reading

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• Alex Scroxton, Security Editor

Publishing exploit code does more harm than good, says report

Disclosing exploit code before patches are available gives malicious actors a ‘massive’ head-start, says Kenna Security Continue Reading

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• Alex Scroxton, Security Editor

Biden beefs up public-private security cooperation

Joe Biden has signed a new Executive Order to harden US cyber security and government networks, with an emphasis on information sharing Continue Reading

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• Alex Scroxton, Security Editor

Verizon DBIR underscores year of unprecedented cyber challenge

Verizon 2021 Data Breach Investigations Report draws predictable conclusions as the impact of the Covid-19 pandemic continues to be felt Continue Reading

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• Alex Scroxton, Security Editor

Inside DarkSide: Researchers share intel on break-out cyber gang

Security researchers swap information on the newly famous DarkSide ransomware gang, the group that doesn’t appear to understand what ‘being a criminal’ actually means Continue Reading

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• Alex Scroxton, Security Editor

UK to fund national cyber teams in Global South

Government will commit millions of pounds to supporting vulnerable countries in establishing cyber capacity Continue Reading

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• Alex Scroxton, Security Editor

Microsoft fixes four critical bugs on lighter Patch Tuesday

Four critical RCE vulnerabilities put users of various Microsoft products at risk, and should be patched right away Continue Reading

By

• Alex Scroxton, Security Editor

The Security Interviews: Why helpful bots could hurt vaccine roll-outs

Earlier this year, spikes in traffic to websites containing information about Covid-19 vaccines were attributed by Imperva to automated bots scraping data. Why is that a problem? Continue Reading

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• Alex Scroxton, Security Editor

Collaboration key to success of UK’s Cyber Security Council

The founders of the UK’s Cyber Security Council have been setting out their plans to professionalise the cyber sector at the NCSC’s CyberUK 2021 event Continue Reading

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• Alex Scroxton, Security Editor

SolarWinds CEO calls for collective action against state attacks

SolarWinds CEO tells NCSC’s CyberUK conference he is exploring the possibility of collaborating with other companies on collective cyber action against attacks backed by nation states Continue Reading

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• Alex Scroxton, Security Editor

Colonial Pipeline ransomware attack has grave consequences

The ramifications of a major ransomware attack against a US fuel pipeline operator could spread far and wide Continue Reading

By

• Alex Scroxton, Security Editor

NCSC Active Cyber Defence blocks surge of pandemic scams

The NCSC responded to a surge in online scams last year as it moved to protect both the general public and critical national services during the pandemic Continue Reading

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• Alex Scroxton, Security Editor

Despite confusion, zero-trust journey underway for many

Zero trust is a catchy phrase with seemingly lofty goals. Uncover the reality behind one of infosec's hottest buzzphrases, and learn why it's within reach for many companies today. Continue Reading

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• Sharon Shea, Executive Editor

How do I get my users to pay attention to security training?

As cyber security risks grow daily, businesses must educate staff about these through cyber awareness training. But how can they ensure this is taken seriously by employees? Continue Reading

By

• Nicholas Fearn

NCSC, CISA publish new information on Russia’s Cozy Bear

New intelligence from UK and US cyber agencies suggests that APT29, or Cozy Bear, has been switching up its tactics Continue Reading

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• Alex Scroxton, Security Editor

NCSC publishes smart city security guidelines

Guidance for local authorities, IT and cyber professionals aims to ensure the security of connected, smart city projects Continue Reading

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• Alex Scroxton, Security Editor

Ransomware, supply chain attacks show no sign of abating

Security experts at Black Hat Asia 2021 discuss the state of ransomware and supply chain attacks, two of the most common attack vectors that offer high returns for threat actors Continue Reading

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• Aaron Tan, TechTarget

Dysfunctional cyber, network teams disrupt digital transformation

Despite shared goals, combative and dysfunctional relationships within specialist tech teams are putting digital transformation projects at risk, according to a report Continue Reading

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• Alex Scroxton, Security Editor

Half of organisations breached via a third party in 12 months

New report highlights the risks of outsourcing key business processes without paying due care and attention to your service provider’s security Continue Reading

By

• Alex Scroxton, Security Editor

New standard to simplify IoT device onboarding

Fido Alliance’s device onboarding protocol will automate the process of connecting internet-of-things devices to device management platforms while improving security Continue Reading

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• Aaron Tan, TechTarget

EncroChat: Top lawyer warned CPS of risk that phone hacking warrants could be unlawful

Lord David Anderson QC warned prosecutors that there were formidable arguments against the lawfulness of a police operation to infiltrate the encrypted phone network, EncroChat Continue Reading

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• Bill Goodwin, Computer Weekly

Covid-19 security challenges leave bank customers at risk

Challenges arising from the pandemic have left gaping holes in banking security, putting consumers at risk of fraud Continue Reading

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• Alex Scroxton, Security Editor

Recruiters can’t afford to hold out for cyber ‘unicorns’

The perfect security candidate is hard to find, so hiring policy needs to be more pragmatic Continue Reading

By

• Alex Scroxton, Security Editor

Office 365 compromise likely led to Merseyrail ransomware attack

Compromise of Merseyrail employee data seems to have begun after a key email account was hacked Continue Reading

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• Alex Scroxton, Security Editor

Why we need to reset the debate on end-to-end encryption to protect children

Private messaging is the front line of abuse, yet E2EE in its current form risks engineering away the ability of firms to detect and disrupt it where it is most prevalent Continue Reading

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• Andy Burrows, NSPCC

North London school wins NCSC girls’ cyber challenge

Highgate School in North London is the winner of this year’s CyberFirst Girls security competition Continue Reading

By

• Alex Scroxton, Security Editor

UnitingCare Queensland hit by cyber attack

Healthcare service provider UnitingCare Queensland was reportedly hit by a ransomware attack that crippled several IT systems Continue Reading

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• Aaron Tan, TechTarget

How Toffs is seizing Asia’s CDN market

Toffs Technologies is eyeing second- and third-tier cities in Asia as it bolsters its infrastructure and experiments with the use of home networks as content delivery networks Continue Reading

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• Aaron Tan, TechTarget

GCHQ: Cyber investment a guarantor of UK’s global status

GCHQ director Jeremy Fleming sets out a vision for the UK’s cyber security future Continue Reading

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• Alex Scroxton, Security Editor

Researchers shed more light on APT29 activity during SolarWinds attack

RiskIQ’s Atlas threat intel team uncovers new patterns and threat infrastructure used in the SolarWind’s attacks Continue Reading

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• Alex Scroxton, Security Editor

Automation, zero-trust, API-based security priorities for EMEA CISOs

Report by FireMon sheds light on buyer behaviour across the EMEA region Continue Reading

By

• Alex Scroxton, Security Editor

NCSC offers teachers free cyber security training

The NCSC’s latest security training offer builds on a package of measures designed to protect schools from cyber attack Continue Reading

By

• Alex Scroxton, Security Editor

IPsec (Internet Protocol Security)

IPsec (Internet Protocol Security) is a suite of protocols and algorithms for securing data transmitted over the internet or any public network. Continue Reading

By

• TechTarget Contributor
• Peter Loshin, Former Senior Technology Editor

SonicWall Email Security zero-days need urgent patch

Users of SonicWall Email Security are advised to patch immediately, but the supplier is being criticised for the pace of its response Continue Reading

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• Alex Scroxton, Security Editor

Time is running out to probe networks for Emotet

Security teams will lose an unprecedented opportunity to gain valuable intelligence to enhance their defences when Emotet is finally ‘executed’ in a few days’ time Continue Reading

By

• Alex Scroxton, Security Editor

Chinese APT exploits critical CVE in Pulse Secure VPN

A newly disclosed vulnerability in Pulse Secure’s VPN is being exploited by a Chinese advanced persistent threat group – assume compromise and mitigate today Continue Reading

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• Alex Scroxton, Security Editor

Codecov supply chain attack has echoes of SolarWinds

Supply chain attack on code auditing service may have compromised the likes of HPE and IBM Continue Reading

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• Alex Scroxton, Security Editor

Singapore’s ViewQwest debuts security service

ViewQwest’s SecureNet service uses Palo Alto Networks’ next-generation firewall with deep packet inspection capabilities to guard against cyber threats Continue Reading

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• Aaron Tan, TechTarget

The Secret IR Insider’s Diary – from Sunburst to DarkSide

From dealing with SolarWinds fallout to ransomware attacks, it’s been a busy few weeks for the Secret IR Insider, but they've picked up some new tricks along the way Continue Reading

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• The Secret IR Insider, Check Point

denial-of-service attack

A denial-of-service (DoS) attack is a security event that occurs when an attacker makes it impossible for legitimate users to access computer systems, devices, services or other IT resources. Continue Reading

By

• Kevin Ferguson
• Peter Loshin, Former Senior Technology Editor

Finnish government strengthens country’s IT network security

Finland’s government has created a new national organisation to help public and private bodies improve network security Continue Reading

By

• Gerard O'Dwyer

Dutch accuse UK of ‘damaging confidence’ by disclosing details of EncroChat police collaboration

The Dutch Public Prosecution Service claims Britain has damaged confidence by disclosing details of an international investigation into the EncroChat encrypted phone network to the courts Continue Reading

By

• Bill Goodwin, Computer Weekly
• Sebastian Klovig Skelton, Data & ethics editor

University of Hertfordshire is latest academic cyber attack victim

Multiple systems are offline at the University of Hertfordshire following a cyber attack Continue Reading

By

• Alex Scroxton, Security Editor

FBI accesses ProxyLogon target servers to disrupt cyber criminals

US Justice Department reveals successful court-authorised effort to clamp down on ProxyLogon exploitation Continue Reading

By

• Alex Scroxton, Security Editor

NSA unearths more MS Exchange vulnerabilities

Microsoft patches more critical vulnerabilities in Exchange Server a month after the ProxyLogon incident, after being warned by the US National Security Agency Continue Reading

By

• Alex Scroxton, Security Editor

Security Think Tank: Vaccine passports cannot be taken lightly

What are the security issues and challenges presented by vaccine passports, and how should they be designed and used with ethics and privacy in mind? Continue Reading

By

• Richard Hunt, Turnkey Consulting

Millions of devices at risk from NAME:WRECK DNS bugs

Newly disclosed set of nine DNS vulnerabilities puts over 100 million consumer, enterprise and industrial IoT devices at risk Continue Reading

By

• Alex Scroxton, Security Editor

What is endpoint detection and response (EDR)?

Endpoint detection and response (EDR) is a system to gather and analyze security threat-related information from computer workstations and other endpoints, with the goal of finding security breaches as they happen and facilitating a quick response to discovered or potential threats. Continue Reading

By

• Gavin Wright
• Alexander S. Gillis, Technical Writer and Editor

Cring ransomware hits ICS through two-year-old bug

A long-disclosed vulnerability in Fortinet’s Fortigate VPN servers is being exploited to distribute Cring ransomware Continue Reading

By

• Alex Scroxton, Security Editor

Nation-state cyber attacks double in three years

Cyber attacks backed by nation states are becoming more frequent and varied, moving the world closer to a point of ‘advanced cyber-conflict’, according to a University of Surrey research project Continue Reading

By

• Alex Scroxton, Security Editor

EncroChat hearings delayed as lawyers seek disclosure on police hacking

Court hearings precipitated by police cracking the EncroChat secure mobile phone network have been delayed after defence lawyers request further disclosures on police decryption capabilities Continue Reading

By

• Bill Goodwin, Computer Weekly

NHS is apparently closing security skills gap

By the end of 2020, there were more than twice as many in-house security professionals at NHS trusts as there were two years before Continue Reading

By

• Alex Scroxton, Security Editor

Security Think Tank: Evolving threats, tech, leaves CNI exposed

In light of increasing cyber attacks on critical national infrastructure, what are the immediate risks to industrial control systems and other operational technology, and what steps can be taken to address them? Continue Reading

By

• Tim Parker

Cyber Security Council to champion UK security pros

A new cyber security professional body has launched with the aim of developing and promoting UK cyber security excellence globally and growing the skills base Continue Reading

By

• Alex Scroxton, Security Editor

Ransomware attack on London schools highlights warnings

Ransomware attack on Harris Federation comes just days after a fresh NCSC alert for the education sector Continue Reading

By

• Alex Scroxton, Security Editor