Security

Core DAO is organizing an emergency hard fork after validators claimed more CORE rewards than intended, prompting several cryptocurrency exchanges to temporarily restrict transfers.

An updated disclosure from Pocket Bitcoin confirmed that some support correspondence exposed names and addresses tied to public Bitcoin addresses, though private keys and customer funds were not compromised.

Cronos, Ontology, and ICON each stopped block production to address security incidents, but their emergency responses revealed different levels of control over user funds and network history.

A Morrisville postmaster in Madison County received three years of probation instead of prison time after pleading guilty to stealing $118,088 from the U.S. Postal Service by issuing 179 fake money orders. The post New Y...

A vulnerability in ICON's withdrawal message verification allowed an attacker to replay two legitimate messages 1,490 times, releasing tokens from foundation assets. The network halted for 25 hours after a 92-minute resp...

According to PeckShieldAlert data, cryptocurrency security breaches resulted in $136 million in losses across 50 separate incidents during August, underscoring persistent infrastructure risks even as market conditions im...

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...