InfoSecBulletin Cybersecurity for mankind

A joint investigation by SentinelOne SentinelLABS and Censys found that open-source AI deployment has led to a large “unmanaged, publicly accessible AI compute infrastructure” with 175,000 unique Ollama hosts in 130 countries. These systems operate outside the usual safety and monitoring measures set by platform providers. According to the company, …

The Aisuru/Kimwolf botnet launched the largest known DDoS attack, reaching a peak of 31.4 terabits per second (Tbps). The massive attack known as “The Night Before Christmas” began on December 19, 2025, hitting Cloudflare’s infrastructure and customers with high-volume DDoS attacks. It featured record bandwidth Layer 4 attacks and HTTP …

Cloudflare’s Q4 2025 report shows that Bangladesh has become the largest source of DDoS attacks, moving up two spots from the previous quarter. The report indicates a trend of increased DDoS traffic originating from Asia and South America, primarily due to compromised infrastructure, not the location of the attackers. After …