Date | Name | Category | Web |
| 17.1.21 | Hacker used ransomware to lock victims in their IoT chastity belt | Ransomware | Bleepingcomputer |
| 17.1.21 | Dassault Falcon Jet reports data breach after ransomware attack | Ransomware | Bleepingcomputer |
| 17.1.21 | Ryuk ransomware Bitcoin wallets point to $150 million operation | Ransomware | Bleepingcomputer |
| 15.1.21 | Babuk Locker is the first new enterprise ransomware of 2021 | Ransomware | Bleepingcomputer |
| 15.1.21 | CAPCOM: 390,000 people impacted in the recent ransomware Attack | Ransomware | Securityaffairs |
| 15.1.21 | Capcom Says Personal Data of Thousands More Stolen in Ransomware Attack | Ransomware | Securityweek |
| 13.1.21 | Bitdefender releases free decrypter for Darkside ransomware | Ransomware | Securityaffairs |
| 13.1.21 | Intel Packs Ransomware Detection Directly Into vPro Platform | Ransomware | Securityweek |
| 10.1.21 | Dassault Falcon Jet hit by Ragnar Locker ransomware gang | Ransomware | Securityaffairs |
| 9.1.21 | | Ransomware | Threatpost |
| 8.1.21 | Ryuk ransomware is the top threat for the healthcare sector | Ransomware | Bleepingcomputer |
| 8.1.21 | TransLink confirms ransomware data theft, still restoring systems | Ransomware | Bleepingcomputer |
| 8.1.21 | | Ransomware | Threatpost |
| 8.1.21 | | Ransomware | Threatpost |
| 8.1.21 | FBI alert warns private organizations of Egregor ransomware attacks | Ransomware | Securityaffairs |
| 8.1.21 | Ryuk ransomware operations already made over $150M | Ransomware | Securityaffairs |
| 8.1.21 | Researchers Warn of New Ransomware Targeting Enterprise Networks | Ransomware | Securityweek |
| 5.1.21 | | Ransomware | Threatpost |
| 5.1.21 | Ransomware Attacks Linked to Chinese Cyberspies | Ransomware | Securityweek |
| 5.1.21 | Apex Laboratory Says Patient Data Stolen in Ransomware Attack | Ransomware | Securityweek |
| 3.1.21 | US Treasury warns of ransomware targeting COVID-19 vaccine research | Ransomware | Bleepingcomputer |
| 3.1.21 | Home appliance giant Whirlpool hit in Nefilim ransomware attack | Ransomware | Bleepingcomputer |
| 1.1.21 | FreePBX developer Sangoma hit with Conti ransomware attack | Ransomware | Bleepingcomputer |
| 1.1.21 | | Ransomware | Threatpost |
| | | |