Weekly Threat Briefs

FortiGuard Labs uses its industry leading global infrastructure of threat sensors, honeypots, and collectors to provide you with the largest source of data of any pure play network security vendor. Data is collected from all of these sources on a continual basis and analyzed by Fortinet’s world-wide team of analysts to provide you with a weekly recap of the incidents and threats you care the most about.

On this page you will find an archive of our weekly Threat Intelligence Briefs, as well as the ability to sign up to receive these briefs every Friday. Join the thousands of other security-minded professionals who receive these weekly briefs!

New Nokoyawa Variant Catching Up to Peers with Blatant Code Reuse – Nokoyawa is a new Windows ransomware that appeared earlier this year. The earliest samples collected by FortiGuard researchers were compiled in February 2022 and share substantial code similarities with Karma, another ransomware...

May 27, 2022
FortiGuard Labs continues to closely monitor the malicious activity associated with Russia-Ukraine War. Since the beginning of the ongoing war, some ransomware and hacking groups have publicly declared the side they have chosen. Such actions have created tension both internally within the threat...

May 20, 2022
Because we are constantly monitoring the threat landscape, FortiGuard Labs has the opportunity to see many unique and novel attacks. Recently, one of our sample collectors was able to find one such incident. It began with a spearphishing email to a diplomat in a specific country. Like many of...

May 13, 2022
Emotet is a malware family that steals sensitive and private information from victims' computers. The malware has infected more than a million devices and is considered one of the most dangerous threats of the decade.

Apr 29, 2022
FortiGuard Labs observed a new DDoS botnet calling itself "Enemybot" and attributing itself to Keksec, a threat group that specializes in cryptomining and DDoS attacks. This botnet is mainly derived from Gafgyt's source code but has been observed to borrow several modules from Mirai's original...

Apr 15, 2022