Black October Cyberattacks: Binance Hack Caps Month of Massive Data Breaches

TLDR: More than 100 million records were exposed in October through leaks at firms and institutions. Binance lost $6.3 billion from hot wallets, while CryptoBilis and CoinDCX also reported thefts. A weak eMudhra certificate key and two critical PHP bugs exposed core web infrastructure to attackers. CERT-In reported unauthorized AI agent access to live systems, and major US banks began blocking agents. Black October is the name security researchers have given to the past month in cyberspace. Attackers exposed more than 100 million records and knocked hospitals and local governments offline. Critical flaws also surfaced in widely used software.