Security

Ontology restored its mainnet on September 2 after an emergency security pause and made version 3.1.5 mandatory for all sync-node operators. The network identified malicious activity targeting the blockchain, though deta...

Cybersecurity researchers have identified a fraudulent Claude desktop application being used to spread malware that targets cryptocurrency wallets. The scheme exploits demand for access to newly released AI models.

A Washington federal judge ruled against XRP influencer Jake Claver in a defamation case, finding no false statements in Rector's videos about Claver's business practices and ordering Claver to pay Rector's legal fees.

World has added 128-bit post-quantum security to Provekit, its open-source zero-knowledge proving toolkit, using a hash-based scheme to protect against future quantum computing threats and align with NIST standards.

Fidelity Digital Assets analysis identifies future quantum computers as a potential threat to Bitcoin's security model, while researchers explore hash-based alternatives that would trade network capacity for protection.

U.S. law enforcement seized nearly $560,000 in cryptocurrency by taking control of the servers and domains used to solicit donations for Hamas, rather than pursuing individual transactions.

The Justice Department announced the seizure of approximately $560,000 in cryptocurrency allegedly destined for Hamas' Al Qassam Brigades, along with control of online fundraising infrastructure.

Federal authorities and CrowdStrike announced the disruption of a malware operation that stole cryptocurrency using a clipboard-hijacking tool, with stolen assets peaking at $1.5 million.

Circle warned that quantum computing threats to blockchain signatures are advancing, but securing USDC across its network footprint requires coordinated upgrades from independent chains, wallets, custodians, and bridges—...

IDScan.net, which processes over 21 million identity checks monthly for major retailers and entertainment venues, is under investigation following a suspected data breach that exposed millions of U.S. and Canadian driver...

The TAC network has halted at block 24,671,475 since an August 22 exploit drained 28.6% of token supply from its bonded staking pool. The Foundation plans to replace 1.26 billion TAC from treasury reserves, while 1.66 bi...

A new print edition of Bitcoin Magazine focuses entirely on the existential threat of quantum computing to Bitcoin's cryptographic foundations and potential network-wide solutions.

Injective paused block production for nearly four hours while validators deployed an emergency patch to address a reported $4.9 million exploit affecting its network.

The Justice Department and security firm CrowdStrike have dismantled Sality, a peer-to-peer botnet that operated since 2003 and spent its last eight years stealing cryptocurrency by replacing wallet addresses on infected...

Core DAO is implementing an emergency hard fork to address a vulnerability in its Satoshi Plus consensus mechanism that allowed validators to extract excess block rewards beyond the protocol's intended issuance schedule....

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 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...