Is YOUR System Vulnerable to RowHammer? – Telegram’s Crypto, Twitter Outage, FBI Warning

Summary: The video discusses the latest episode of “Security Now” with Steve Gibson, covering a range of topics, including an in-depth analysis of the cryptography used in Telegram’s messenger, updates on the Rowhammer vulnerability, and the implications of recent security incidents involving Twitter and Firefox. It also encourages listeners to participate in a study on Rowhammer, providing detailed instructions on how to assess their own systems for vulnerabilities.

Keypoints:

• The episode features an analysis of the cryptography used in Telegram, revealing its weaknesses.
• Discussion includes allegations of Ukraine’s involvement in an attack on Twitter and insights into Twitter’s recent outages.
• Firefox users received notices to update their browsers due to the expiration of a critical root certificate.
• Rowhammer vulnerability is highlighted, with a call for listeners to participate in a survey to assess its prevalence in real-world systems.
• Instructions are provided for testing systems for Rowhammer vulnerabilities using an open-source ISO tool.
• The importance of updating PHP versions to mitigate a recently identified vulnerability affecting Windows servers.
• Listener feedback emphasizes new challenges in implementing cybersecurity measures, alongside book and movie recommendations.