Weekly Recap: Outlook Add-Ins Hijack, 0-Day Patches, Wormable Botnet & AI Malware
Feb 16, 2026
Cybersecurity / Hacking
This week’s recap shows how small gaps are turning into big entry points. Not always through new exploits, often through tools, add-ons, cloud setups, or workflows that people already trust and rarely question. Another signal: attackers are mixing old and new methods. Legacy botnet tactics, modern cloud abuse, AI assistance, and supply-chain exposure are being used side by side, whichever path gives the easiest foothold. Below is the full weekly recap — a condensed scan of the incidents, flaws, and campaigns shaping the threat landscape right now. ⚡ Threat of the Week Malicious Outlook Add-in Turns Into Phishing Kit — In an unusual case of a supply chain attack, the legitimate AgreeTo add-in for Outlook has been hijacked and turned into a phishing kit that stole more than 4,000 Microsoft account credentials. This was made possible by seizing control of a domain associated with the now-abandoned project to serve a fake Microsoft login page. The incident demonstrates how overlooke...