Network Defense | Breaking Cybersecurity News | The Hacker News

Canadian organizations have emerged as the focus of a targeted cyber campaign orchestrated by a threat activity cluster known as STAC6565 . Cybersecurity company Sophos said it investigated almost 40 intrusions linked to the threat actor between February 2024 and August 2025. The campaign is assessed with high confidence to share overlaps with a hacking group known as Gold Blade , which is also tracked under the names Earth Kapre, RedCurl, and Red Wolf. The financially motivated threat actor is believed to be active since late 2018 , initially targeting entities in Russia, before expanding its focus to entities in Canada, Germany, Norway, Russia, Slovenia, Ukraine, the U.K., and the U.S. The group has a history of using phishing emails to conduct commercial espionage. However, recent attack waves have found RedCurl to have engaged in ransomware attacks using a bespoke malware strain dubbed QWCrypt . One of the notable tools in the threat actor's arsenal is RedLoader, which s...

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