This month in security with Tony Anscombe – March 2026 edition

Video

The past four weeks have seen a slew of new cybersecurity wake-up calls that showed why every organization needs a well-thought-out cyber-resilience plan

31 Mar 2026

As March 2026 draws to a close, ESET Chief Security Evangelist Tony Anscombe looks at some of the top cybersecurity stories that made the news this month and offers insights that they may hold for your cyber-defenses. Here's Tony's rundown of some of what stood out most over the four or so weeks:

• The medtech giant Stryker fell victim to a cyberattack that was claimed by the Iran-linked Handala hacktivist group and reportedly wiped “over 200,000 systems, servers, and mobile devices” and stole 50 terabytes of data,
• Research by the Google Threat Intelligence Group has found that suspected data theft was present in no fewer than 77% of ransomware attacks in 2025 (up from 57% the year prior) and that attackers are increasingly relying on built-in Windows utilities,
• Starting in May, Instagram will stop encrypting private messages between users,
• A Europol-led operation has taken down the Tycoon 2FA phishing platform that up to the middle of 2025 accounted for 62% of all phishing attempts blocked by Microsoft,

What are some of the lessons businesses should take away from these news stories? Watch the video to learn more and be sure to check out the February 2026 edition of Tony's monthly security news roundup, as well as his highlights from the RSAC 2026 conference that wrapped up just a few days ago.

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