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Unlocking Secrets: Accessing Private GitHub Repos Through Copilot Despite Previous Exposure
Security researchers warn about the risks of data exposure on the internet, which can persist in generative AI chatbots like Microsoft Copilot. Findings from Israeli cybersecurity firm Lasso reveal that thousands of previously public GitHub repositories, including those from major companies, are at risk of exposure. Lasso discovered that even data from repositories set to private remains accessible through Copilot due to indexing by Bing. Over 20,000 repositories made public in 2024 were identified, affecting more than 16,000 organizations, including Amazon and Google. Despite notifying Microsoft, which deemed the issue low severity, Lasso emphasizes ongoing risks with exposed data.
Microsoft Introduces Innovative ‘Scareware Blocker’ for Edge: Harnessing Computer Vision to Combat Scams
Microsoft has launched a “scareware blocker” to combat online scams that deceive users into installing harmful software or paying for unnecessary services. Utilizing machine learning and computer vision, this tool detects and prevents scareware attacks, which often appear as fraudulent antivirus software. Previously, Microsoft offered tools to block known scam websites, but this new feature targets unknown scams that obscure users’ ability to escape. Users can activate the blocker in the Edge browser settings. The blocker operates locally, ensuring privacy, and Microsoft seeks feedback from users to improve its effectiveness.
Inside the Change Healthcare Ransomware Attack: A Detailed Timeline of Events
In February 2024, Change Healthcare, a subsidiary of UnitedHealth, experienced the largest health data breach in U.S. history, affecting approximately 190 million individuals. The ransomware attack, linked to the Russian-speaking ALPHV/BlackCat gang, resulted in significant disruptions in billing and patient access to medications. Following the incident, the U.S. government increased rewards for information on the gang, while Change Healthcare struggled with ongoing issues and regulatory compliance. The breach highlights critical vulnerabilities in healthcare cybersecurity, emphasizing the need for robust protective measures against cyber threats to safeguard sensitive patient information.
Critical Alert: Palo Alto Networks Discovers New Firewall Vulnerability Targeted by Hackers
Palo Alto Networks has issued a critical warning about a new vulnerability in its firewall software, identified as CVE-2025-0108, which is being actively exploited by hackers. Discovered by Assetnote, the vulnerability affects unpatched PAN-OS customer networks. The company has urged customers to apply patches urgently, as attackers are chaining this vulnerability with two others, CVE-2024-9474 and CVE-2025-0111. A significant increase in exploitation activity has been noted, with 25 IP addresses involved. The Cybersecurity and Infrastructure Security Agency (CISA) has added this vulnerability to its Known Exploited Vulnerabilities catalog, highlighting the urgency for organizations to respond.
