Cybersecurity Brief – 2025-07-13
Major Incidents or Breaches
- Over 600 Laravel applications have been exposed to remote code execution (RCE) due to leaked APP_KEYs found on GitHub, enabling attackers to compromise affected deployments.
- Hackers are actively exploiting a critical RCE vulnerability in Wing FTP Server, following the public release of technical details about the flaw.
- Four individuals have been arrested in connection with the Scattered Spider hacking group, which has been implicated in a series of high-profile attacks.
Newly Discovered Vulnerabilities
- A new attack variant, GPUHammer, targets NVIDIA GPUs by exploiting a RowHammer-style vulnerability, potentially degrading the performance of AI models. NVIDIA has advised customers to enable System-level Error Correction Codes (ECC) to mitigate risk.
Notable Threat Actor Activity
- Arrests have been made relating to the Scattered Spider group, known for sophisticated cyber intrusions and extortion campaigns.
- A Russian professional basketball player has been arrested on ransomware-related charges.
Trends, Tools, or Tactics of Interest
- The Grok-4 large language model (LLM) by xAI was successfully jailbroken within two days of release, highlighting ongoing challenges in securing generative AI models against prompt injection and bypass techniques.
- There is a reported surge in AI-generated child abuse imagery circulating online, indicating increased abuse of generative AI tools for illicit content production.