Opsec Cyber Security Archives - Page 900 of 1785

Category Archives: Security

New SUNSHUTTLE Second-Stage Backdoor Uncovered Targeting U.S.-Based Entity; Possible Connection to UNC2452

March 4 2021 By Daniel Pany in Backdoor, Ben Read, Homepage Carousel, Intelligence, Latest Blog Posts, Malware, Security, Threat Research

Executive Summary In August 2020, a U.S.-based entity uploaded a new backdoor that we have named SUNSHUTTLE to a public malware repository. ...

Qualys Is the Latest Victim of Accellion Data Breach

March 4 2021 By Syndicator in Security

Security vendor confirms attackers exploited a previously disclosed vulnerability in the enterprise firewall technology to breach its network.

Three Top Russian Cybercrime Forums Hacked

March 4 2021 By BrianKrebs in Intel 471, Ne'er-Do-Well News, Security

Over the past few weeks, three of the longest running and most venerated Russian-language online forums serving thousands of experienced cybercriminals have been hacked. In two of the intrusions,...

Why We Need More Blue Team Voices at the Table

March 4 2021 By Syndicator in Security

The red team draws attention, but the blue team has the expertise to keep networks secure day in and day out.

Chinese Hackers Stole an NSA Windows Exploit in 2014

March 4 2021 By Bruce Schneier in China, Exploits, Microsoft, nsa, Security, Windows

Check Point has evidence that (probably government affiliated) Chinese hackers stole and cloned an NSA Windows hacking tool years before (probably government affiliated) Russian hackers stole and then...

Another Chrome zero-day exploit – so get that update done!

March 4 2021 By Paul Ducklin in 0-day, Exploit, Google, Patch, Security, Vulnerability, Zero-day

It's déjà vu all over again! New month, new Chrome zero-day bug being exploited in the wild.

More Details Emerge on the Microsoft Exchange Server Attacks

March 3 2021 By Syndicator in Security

The attacks are more widespread than initially reported, researchers say, and a look at why the Microsoft Exchange Server zero-days patched this week are so dangerous.