The biggest cybersecurity and cyberattack stories of 2025

The biggest cybersecurity and cyberattack stories of 2025

2025 was marked by significant cybersecurity incidents including high-profile data breaches, advanced cyberattacks, and increasingly sophisticated threat actor activities. Notable events include the PornHub data breach, the ByBit crypto heist, and the rise of AI-powered attacks. #PornHubDataBreach #ByBitCryptoHeist #AIpromptInjections

Keypoints

  • The PornHub data breach involved the theft of over 200 million users’ viewing activity data by the ShinyHunters extortion gang.
  • Cybercriminals and state-sponsored actors expanded social engineering with campaigns like ClickFix, targeting Windows, macOS, and Linux systems.
  • The $1.5 billion ByBit crypto theft was attributed to North Korea’s Lazarus group, exploiting compromised developer devices.
  • Oracle servers were compromised through zero-day vulnerabilities, leading to widespread data theft affecting universities and corporations.
  • AI-driven attacks increased, with hackers leveraging large language models to automate exploits, generate malware, and bypass security defenses.

Read More: https://www.bleepingcomputer.com/news/security/the-biggest-cybersecurity-and-cyberattack-stories-of-2025/