Security

X users received unsolicited password reset emails on Tuesday as attackers exploited the platform's recovery form. The company says it has found no evidence of a breach.

South Korean authorities arrested four Uzbek nationals in April on terrorism financing charges, marking what police say is the first case involving cryptocurrency flowing from a designated terrorist organization back int...

The Qilin ransomware group has posted files it claims were stolen from the Bureau of Alcohol, Tobacco, Firearms and Explosives, with the Justice Department labeling the incident a major cyber event.

Cronos validators rolled back the blockchain to its pre-exploit state and resumed block production following a major security incident at Tectonic, a decentralized lending protocol on the chain. Researcher estimates sugg...

Ontology paused mainnet block production on August 31 to investigate a potential security concern identified during a routine security check. The project reported no confirmed incident or asset loss.

The Cronos network halted and restored its blockchain to a pre-attack state after a price-manipulation exploit hit Tectonic, but a portion of funds had already left for another chain before validators intervened.

The Cronos blockchain halted operations after an attacker exploited Tectonic's money market protocol, manipulating token prices to drain over $70 million. Validators face a critical decision on whether to restart the net...

Research suggests adding just two to three random peer connections per node could significantly increase the number of validators attackers must remove to disrupt XRP Ledger consensus, though real-world deployment would ...

Cronos suspended all block production on Sunday to contain a price-manipulation attack on DeFi lending protocol Tectonic, which researchers estimate caused roughly $75 million in losses.

Tech entrepreneur Elon Musk predicts artificial intelligence will achieve superhuman hacking capabilities by the end of 2027, amid rising concerns over automated software vulnerabilities.

StarkWare and Blockstream researchers advance post-quantum security proposals for Bitcoin, while Solana validators approve doubling the network's annual disinflation rate to reach 1.5% terminal inflation in 2.8 years.

Polygon Labs disclosed it fixed multiple security flaws through the Austin hard fork on its Bor client and the Kyoto hard fork on its Heimdall client, both deployed privately before public disclosure.

Dormant Bitcoin holdings worth approximately $507 million moved for the first time in years during August, with activity spiking after security incidents involving hardware wallet manufacturers and a firmware exploit.

The Cronos blockchain paused after an attack on Tectonic, its lending protocol, with on-chain analysis estimating approximately $119.5 million drained from lending pools. Tectonic has not confirmed a final loss figure as...

A CoinGecko report documents 245 security incidents across crypto platforms from January 2025 through July 2026, with audited protocols accounting for 88% of total losses. Infrastructure vulnerabilities and smart contrac...

Crypto traders cited Elon Musk's agreement with Oxford physicist Tim Palmer's quantum theory as proof Bitcoin is safe from quantum computers, but Musk made no statement about cryptocurrency or quantum threats to Bitcoin....

An aspiring rapper and two others face federal charges for allegedly orchestrating a check fraud scheme that stole over $8.1 million through stolen U.S. Treasury checks and other checks from individuals and businesses.

Cronos stopped its blockchain after an attacker drained Tectonic, the largest lending protocol on the network. Most funds remained on-chain before validators halted production.

OpenAI, Anthropic, and over 100 other organizations have signed an open letter urging governments and businesses to strengthen cybersecurity measures, citing recent incidents where their AI models compromised external sy...

Federal prosecutors and the SEC are investigating two life insurers that shifted billions in retirement savings into private loans with undisclosed connections to affiliated companies.