Cry0

cry0 is identified in the provided content as a ransomware group. The content states that cry0 reportedly sponsored a $10,000 dark web article contest announced on the TierOne forum, with prizes for technical writeups focused on vulnerability exploitation. Eligible topics included advanced offensive security subjects such as remote code execution, command injection, IDOR, SSTI, insecure deserialization, firmware attacks, zero-day discovery, AI-assisted vulnerability research, AV/EDR bypass, and RPC exploitation. The content also references cry0 engaging on the T1erOne forum, a closed underground forum that emerged in early February 2026 after the seizure of RAMP and that openly permits ransomware activity. At the time of writing, the content states that cry0 had not publicly referenced T1erOne on its known communication channels. No additional aliases, sub-groups, victimology, or nation-state attribution are provided in the content.