Related Threat Clusters
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Oyster Backdoor Malware Spread via Fake Downloads Targeting Financial Sector
Cybercriminals are distributing the Oyster backdoor malware disguised as popular office tools, including Microsoft Teams and Google Meet. This campaign, targeting individuals in the financial sector, has been active…
1 article · Updated December 15, 2025 -
Shift in Ransomware Tactics Targeting Cloud Assets
Ransomware actors are increasingly focusing on cloud-based assets, particularly in AWS environments. This shift involves utilizing various tactics to compromise critical business data, moving away from traditional…
56 articles · Updated November 19, 2025 -
Rhysida Ransomware Gang Uses Fake Microsoft Teams Ads for Malware Distribution
The Rhysida ransomware group is exploiting fake advertisements for Microsoft Teams to distribute malware, specifically targeting users searching for the software. This campaign employs malvertising techniques,…
8 articles · Updated November 4, 2025 -
Rhysida Ransomware Gang Uses Fake Microsoft Teams Ads to Infect Users
The Rhysida ransomware gang is exploiting fake ads for Microsoft Teams to distribute malware. Users searching for Microsoft Teams may encounter these deceptive links, which lead to data exfiltration or encryption…
3 articles · Updated November 2, 2025
Recent Intelligence Reports
- Cybercriminals use fake downloads to spread Oyster backdoor malware — Scworld · December 15, 2025
- Rhysida ransomware exploits Microsoft certificate to slip malware past defenses — Csoonline · November 3, 2025
- Ransomware gang runs ads for Microsoft Teams to pwn victims — Theregister · October 31, 2025
- Tracking Rhysida ransomware gang activity via code — Reddit · October 31, 2025