Attacks and Breaches

Attack surface reduction is one of the most important steps in hardening any system.

The attacks, which haven’t been previously reported, served as a prequel to a remarkably similar, widely publicized hack of Microsoft Exchange servers from January to March of this year.

Russian government hackers breached the computer systems of the Republican National Committee around the time a Russia-linked criminal group unleashed a massive ransomware attack.

“The FBI has definitely decided to be more aggressive,” said Elvis Chan, the assistant special agent in charge of cyber investigations in the FBI’s San Francisco field office, in an interview. “Our toolkit hasn’t changed. We’re just using the...

Even as cybersecurity grows in importance as a national priority, individual states continue to push ahead with their own data breach legislation, making for an increasingly complicated compliance landscape for cybersecurity managers.

The Securities and Exchange Commission is investigating how companies responded to last year’s SolarWinds hack.

Verizon’s annual report on data breaches finds that more cybersecurity incidents involved external cloud assets than internal ones.

Here's how fileless malware attacks work, the role PowerShell plays, and the steps admins need to take to protect their systems.

A fileless malware attack based on PowerShell uses PowerShell’s native capabilities to breach a Windows system. Here's how they work.

A sophisticated attack on Microsoft Corp.’s widely used business email software is morphing into a global cybersecurity crisis, as hackers race to infect as many victims as possible before companies can secure their computer systems.