Daily Cyber Brief
Ransomware analysis indicates that REvil is back, FluBot targets Finland, and critical vulnerabilities in Adobe's enterprise products...

Cybersecurity
In the initial weeks of the Russian invasion, American officials expected Russian cyber-attacks to wreak havoc on Ukraine’s electricity grid, banking system and the like. To their surprise, that did not happen. But a report released by Microsoft suggests that Russian military and…
The National Security Agency is investigating the extent that software made by the Russian cybersecurity company Kaspersky is embedded in U.S. businesses and organizations amid rising security concerns arising from Russia's invasion of Ukraine. "I am still very worried…
Microsoft has released the Windows 11 KB5013943 cumulative update with security updates, improvements, and fixes for screen flickers in Safe Mode and a bug causing some NET 3.5 apps not to open. KB5013943 is a mandatory cumulative update as it contains the May…
The notorious ransomware operation known as REvil (aka Sodin or Sodinokibi) has resumed after six months of inactivity, an analysis of new ransomware samples has revealed. "Analysis of these samples indicates that the developer has access to REvil's source code, reinforcing…
A bargain-basement, $5 price tag on a 3-year-old remote access Trojan (RAT) has concerned some security researchers, who see the move as signs of a possible race to the bottom in terms of pricing — or that new, disrupting developers are entering the cybercriminal market…
Security experts have warned the UK’s leading companies that they may be unwittingly exposed to serious compromise after revealing the discovery of tens of thousands of corporate credentials on the dark web. Outpost24 used its threat monitoring tool Blueliv to trawl…
Finland's National Cyber Security Center (NCSC-FI) has issued a warning about the FluBot Android malware infections increasing due to a new campaign that relies on SMS and MMS for distribution. FluBot is looking to steal financial account credentials of its victims by…
The European Union formally accused Russia of coordinating the cyberattack that hit satellite Internet modems in Ukraine on February 24, roughly one hour before Russia invaded Ukraine. The attack targeted the KA-SAT consumer-oriented satellite broadband service operated by…
Microsoft on Tuesday released critical software updates to fix at least 73 documented security flaws in the Windows ecosystem and warned that unknown attackers are already launching zero-day man-in-the-middle attacks. The zero-day, flagged as CVE-2022-26925, is described…
Software maker Adobe on Tuesday shipped patches to cover at least 18 serious security defects in multiple enterprise-facing products and warned that unpatched systems are at risk of remote code execution attacks. As part of its planned ‘Patch Tuesday’ release cycle…