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| 2025-03-12
            
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            CISA
            ⋅ Medusa Ransomware | 
| 2023-06-14
            
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            CISA
            ⋅ Understanding Ransomware Threat Actors: Lockbit LockBit | 
| 2022-09-06
            
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            CISA
            ⋅ Alert (AA22-249A) #StopRansomware: Vice Society Cobalt Strike Empire Downloader FiveHands HelloKitty SystemBC Zeppelin | 
| 2020-12-10
            
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            US-CERT
            ⋅ Alert (AA20-345A): Cyber Actors Target K-12 Distance Learning Education to Cause Disruptions and Steal Data PerlBot Shlayer Agent Tesla Cerber Dridex Ghost RAT Kovter Maze MedusaLocker Nanocore RAT Nefilim REvil Ryuk Zeus |