ESET APT Activity Report Q4 2025–Q1 2026
ESET Research Threat Reports An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2025 and Q1 2026 28 May 2026 • ,…
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Dutch police trace Odido telco cyberattack to suspected local accomplice
Dutch police said Thursday they had uncovered evidence suggesting that Dutch criminals were involved in the cyberattack on telecom provider Odido that exposed the personal data of more than 6…
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Ryuk Ransomware Member Pleads Guilty Over Attacks on U.S. Organizations
Ryuk Ransomware Member Pleads Guilty Over Attacks on U.S. Organizations Pierluigi Paganini July 12, 2026 An alleged Ryuk ransomware member pleaded guilty in the U.S. for helping deploy attacks on…
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Microsoft fixes RoguePlanet zero-day in Defender
Microsoft issued a security update that fixes the zero-day vulnerability known as RoguePlanet in Microsoft Defender. RoguePlanet is tracked as CVE-2026-50656, a Microsoft Defender elevation of privilege (EoP) vulnerability. As we…
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This month in security with Tony Anscombe – May 2026 edition
In this roundup, Tony looks at attacks against Polish water treatment facilities, how AI-directed attacks failed in Mexico, and what Google believes is the first AI-generated zero-day exploit 29 May…
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China, India ran separate spying campaigns against same Pakistani police force
Hacking groups linked to China and India conducted parallel, unconnected espionage operations against Pakistani law enforcement over more than two years, according to research published Thursday. The activity, in some…
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Security Affairs newsletter Round 585 by Pierluigi Paganini – INTERNATIONAL EDITION
Security Affairs newsletter Round 585 by Pierluigi Paganini – INTERNATIONAL EDITION Pierluigi Paganini July 12, 2026 A new round of the weekly Security Affairs newsletter has arrived! Every week, the…
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When “Hi, This Is IT” Comes Through Microsoft Teams
“Hi, IT Department Here!” It’s Friday afternoon. The week has been busy, and everyone is wrapping up before the weekend. One of your workers receives a message (Figure 1) through…
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Inside Cisco Talos Threat Hunting
By Ron Scott-Adams Most security tools operate on a simple principle: If a known-bad pattern appears, fire an alert. This works well enough for many threats, but it fails against adversaries who closely…
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6.9 million driver’s license numbers stolen from AssuranceAmerica
Insurance provider AssuranceAmerica has confirmed a data breach affecting the personal information and driver’s license numbers of up to 6.9 million people. AssuranceAmerica provides car and rental insurance to customers…