Welcome to Blumira Briefings, your top headlines and trends for your security practice.

This week's episode:

- Microsoft released security updates to address a set of 59 flaws across its software, including six vulnerabilities that it said have been exploited in the wild
- A fake 7-Zip website is distributing a trojanized installer of the popular archiving tool that turns the user’s computer into a residential proxy node
- Following a series of highly successful data-exfiltration-only attacks, ransomware groups are stealing victims’ data without encrypting it

Like the new format? Have a security topic you want us to cover? Let us know in the comments!

Sources:
-- Microsoft Patches 59 Vulnerabilities Including Six Actively Exploited Zero-Days
https://thehackernews.com/2026/02/microsoft-patches-59-vulnerabilities.html
-- Malicious 7-Zip site distributes installer laced with proxy tool
https://www.bleepingcomputer.com/news/security/malicious-7-zip-site-distributes-installer-laced-with-proxy-tool
-- Ransomware Groups May Pivot Back to Encryption as Data Theft Tactics Falter
https://www.securityweek.com/ransomware-groups-may-pivot-back-to-encryption-as-data-theft-tactics-falter