A hole in Microsoft Office is being exploited by bad actors, including Russian hackers targeting Ukraine's government.
APT28 exploited a Microsoft Office flaw to deliver MiniDoor and Covenant Grunt malware in targeted attacks across Ukraine and Eastern Europe.
The hosting provider's compromise allowed attackers to deliver malware through tainted software updates for six months.
Rapid7 links China-linked Lotus Blossom to a 2025 Notepad++ hosting breach that delivered the Chrysalis backdoor via hijacked updates, fixed in v8.8.9 ...
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Security researchers uncover APT28 campaign exploiting newly disclosed Microsoft Office flaw
Cybersecurity investigators have identified a new cyberattack campaign connected to the Russia-linked hacking group APT28, ...
It's believed that, between June and November 10/December 2, 2025 (independent security experts and its hosting provider ...
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