InfoSecBulletin Cybersecurity for mankind

KDDI Corporation, a Japanese telecom company, revealed a data breach. Hackers got into one of its email systems that five other internet providers use. The company found the incident on June 17 and quickly blocked the attacker and set up defense measures. The investigation found that hackers took advantage of a …

Two Asian AI companies have released new models this week that compete with Anthropic’s recently limited Mythos and Fable models, as a U.S. export ban on those technologies reaches its third week. These actions show an increasing effort in the region to cover gaps left by U.S. export ban. New …

Polymarket is a platform for prediction markets using cryptocurrency. It lets users bet on what might happen in real-life events like elections, economic data, sports, and cultural events. The company has shared little information about the incident. “This morning we discovered a 3rd party vendor had been compromised, injecting a …