Network Security

Network Security | News, how-tos, features, reviews, and videos

ransomware attack
a hand holds an open book from which abstract letters emerge

Praying mantis among green leaves [camouflage/stealth]

APT group hits IIS web servers with deserialization flaws and memory-resident malware

Praying Mantis group is likely a nation-state actor that uses custom malware and is adept at avoiding detection.

Conceptual image of a network labeled 'Zero Trust.'

7 tenets of zero trust explained

Cut through the hype. NIST's core zero trust elements provide a practical framework around which to build a zero trust architecture.

CSO  >  secure mergers + acquisitions / floating puzzles pieces / abstract security mechanisms

Top cybersecurity M&A deals for 2021

The cybersecurity market is hot, and vendors are buying competitors to solidify their position or acquiring other firms to expand their offerings.

A vault door security mechanism with abstract circuits. / increase security / harden against attacks

Best Mitre D3FEND advice to harden Windows networks

Mitre's recently released D3FEND matrix offers sound guidance for any security admin or CISO looking to harden a Windows network against attack.

virtual connections / social networking / remote teams

How long-term hybrid work is changing security strategies

CISOs across industries are revisiting the stopgap security tools and the temporary policies they enacted to quickly enable remote work to replace them with stronger permanent solutions. But the old rules no longer apply.

lock circuit board bullet hole computer security breach

The 15 biggest data breaches of the 21st century

Data breaches affecting millions of users are far too common. Here are some of the biggest, baddest breaches in recent memory.

Cybersecurity  >  Email security threats, such as phishing

Business email compromise (BEC) attacks take phishing to the next level

Business email compromise (BEC) is a highly targeted, email-based attack that tricks victims into exposing company information, handing over money, or getting them to perform other acts that negatively impact the business.

Windows security and protection [Windows logo/locks]

How to check for Active Directory Certificate Services misconfigurations

Recently discovered Microsoft Windows AD CS configuration errors could give attackers account and domain control. Here's how to audit AD CS for vulnerable configurations.

Russian hammer and sickle / binary code

US and UK issue rare joint guidance in response to Russian GRU brute force campaign

CISOs should leverage this guidance to help get the resources they need to make these and other cyberattacks too costly for nation-state threat actors and criminals.

access control / authentication / privileges / security / key

How to test the impact of new Windows DCOM Server authentication

Microsoft has hardened authentication for its DCOM Server in response to a vulnerability. Check for the impact on your network now before the change becomes permanent.

vcmar sase
video

WAN evolution: From SD-WAN to Secure Access Service Edge (SASE)

Join IDC analysts Brandon Butler and Christopher Rodriguez as they talk with Network World’s Ann Bednarz about the SASE model for streamlining network access and improving security. Deployed as a cloud service, it blends SD-WAN’s...

Cybersecurity awareness  >  A man with a binary blindfold finds his way through question marks.

Report: Active Directory Certificate Services a big security blindspot on enterprise networks

Microsoft's Active Directory PKI component commonly have configuration mistakes that allow attackers to gain account and domain-level privileges.

A hook is cast at laptop email with fishing lures amid abstract data.
Tip

4 steps to prevent spear phishing

Your users are in the crosshairs of the best attackers out there. Follow these steps to better protect them.

CSO  >  Searching for vulnerabilities  >  Magnifying lens in a virtual interface idnetifies weakness

Thousands of publicly accessible VMware vCenter Servers vulnerable to critical flaws

With proofs of concept public, attackers are likely exploiting this vulnerability weeks after patches were released.

Microsoft Windows security  >  Windows laptop + logo with binary lock and key
Updated

Best new Windows 10 security features: Improvements to Intune, Windows Defender Application Guard

Here's what you need to know about each security update to Windows 10 as they roll out from Microsoft. Now updated for the 21H1 feature release.

Microsoft Windows security  >  Windows laptop + logo with binary lock and key

6 minimum security practices to implement before working on best practices

Every Windows network admin can improve their security posture by focusing on these six basic areas.

Digital Transformation [DX]  >  dandelion seeds blown by a virtual wind of change

The SolarWinds hack timeline: Who knew what, and when?

Impact, detection, response, and ongoing fallout from the attack on SolarWinds' Orion remote IT management software.

CSO > Invalidated cyber insurance

17 cyber insurance application questions you'll need to answer

Recent high-profile security incidents have tightened requirements to qualify for cyber insurance. These are the tougher questions insurance carriers are now asking.

Load More