Do you know Salt Typhoon? – Threat Wire

Summary: The video discusses significant cybersecurity updates, including a serious vulnerability found in Apple’s iOS related to Darwin notifications, the FBI’s warnings regarding the Salt Typhoon cyber threat, record-breaking DDoS attacks observed by Cloudflare, and newly discovered vulnerabilities in the Linux kernel. Additionally, it highlights the growing popularity of Linux as an operating system among users.

Keypoints:

• Garma Rambo discovered a serious vulnerability in iOS related to Darwin notifications that could disrupt device functionality.
• This vulnerability allowed denial of service attacks via a proof of concept widget that could soft brick iOS devices.
• Rambo disclosed the issue to Apple, leading to a fix in iOS and iPad OS 18.3, earning him a ,500 bug bounty.
• The FBI is seeking information about Salt Typhoon, a Chinese-sponsored cyber threat actor targeting American infrastructure.
• Salt Typhoon’s campaign has reportedly compromised US telecommunications systems, leading to the theft of sensitive data.
• Cloudflare reported handling 21.3 million DDoS attacks in 2024, a significant increase from previous years.
• Over 700 hypervolumetric attacks exceeding 1 terabit per second were noted in the first quarter of 2025, particularly impacting gaming servers.
• A record-breaking DDoS attack of 5.8 terabits per second was mitigated by Cloudflare.
• A new vulnerability in the Linux kernel, specifically with IO uring, allows rootkits to operate undetected.
• Google has addressed the risks associated with IO uring by disabling it by default on Android and Chrome OS builds.
• The popularity of Linux as a desktop operating system is rising, with notable endorsements from influencers like PewDiePie.