Capture the flag hacking contests at security conferences generally serve two purposes: to help participants develop and demonstrate computer hacking and security skills, and to assist employers and government agencies with discovering and recruiting new talent. But one security conference in China may have taken its contest a step further—potentially …

US telecom giant AT&T, which disclosed Friday that hackers had stolen the call records for tens of millions of its customers, paid a member of the hacking team more than $300,000 to delete the data and provide a video demonstrating proof of deletion. The hacker, who is part of the …

Hackers who stole terabytes of data from Ticketmaster and other customers of the cloud storage firm Snowflake claim they obtained access to some of the Snowflake accounts by first breaching a Belarusian-founded contractor that works with those customers. About 165 customer accounts were potentially affected in the recent hacking campaign …

Two years ago when “Michael,” an owner of cryptocurrency, contacted Joe Grand to help recover access to about $2 million worth of bitcoin he stored in encrypted format on his computer, Grand turned him down. Michael, who is based in Europe and asked to remain anonymous, stored the cryptocurrency in …