K56715231: TMM buffer-overflow vulnerability CVE-2021-22991

Security Advisory Description Undisclosed requests to a virtual server may be incorrectly handled by Traffic Management Microkernel TMM URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it theoretically may allow bypass of URL based access...

Security Tool Guts: How Much Should Customers See?

Many cybersecurity tools use engines that calculate risk for events in customer environments. The accuracy of these risk engines is a major concern for customers, since it determines whether an attack is detected or not. Therefore, organizations often request visibility into how a risk engine...

Imperva Takes on its Largest Recorded Account Takeover Attack on a Single Company

Imperva recently detected and mitigated the largest - and most concentrated - series of brute force ATO account takeover attacks in its history. Over the course of 60 hours from midnight on October 28, our ATO team’s monitoring systems detected more than 44 million ATO attempts on the login page ...