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!

Leading up to the official release of the new Windows 11 operating system (OS) on October 5, 2021, cyber criminals used fake OS installers as a bait to deploy malware to the victim, and the trend is expected to continue. FortiGuard Labs recently came across a fake Windows 11 upgrade assistant...

Oct 29, 2021
This week, the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the National Security Agency (NSA) issued a joint advisory Alert (AA21-291A) on the BlackMatter Ransomware. BlackMatter is a Ransomware as a Service (RaaS). According to...

Oct 22, 2021
FortiGuard Labs is aware of a report that a new Windows vulnerability (CVE-2021-40449) was exploited as a 0-day to download and launch the MysterySnail Remote Access Trojan (RAT) in late August and early September 2021. Kaspersky attributed the attack to the threat actor IronHusky that has...

Oct 15, 2021
FortiGuard Labs' team of dedicated researchers and analysts examine many third party products and software applications every day looking for weaknesses and exploitable vulnerabilities. When a vulnerability is found, the Fortiguard Labs team notifes the software/product vendor of the...

Oct 08, 2021
The battle against COVID has been waged for almost two years. With over 2 billion people around the globe now fully vaccinated, some countries have introduced a vaccine passport (certificate) program to allow people with proof of vaccination to travel, return to the office, and participate in...

Oct 01, 2021