CRYPTO DEEP TECH Background on Log4j Alibaba Cloud Security Team publicly disclosed a critical vulnerability (CVE-2021-44228) enabling unauthenticated remote code execution against multiple versions of Apache Log4j2 (Log4Shell). Vulnerable servers can be exploited by attackers connecting via any protocol such as HTTPS and sending a specially crafted string. Log4j crypto-mining campaign Darktrace detected crypto-mining on multiple customer deployments which occurred as a result of exploiting this Log4j vulnerability...

Copy Fail, tracked as CVE-2026-31431, has emerged as a serious threat to Linux systems. The flaw allows local unprivileged users to elevate their privileges to root, putting millions of installations at risk. According to the report, the vulnerability affects nearly all Linux kernel versions released since 2017. As of 1 May 2026, the fix had already been merged into the mainline Linux kernel, but many distributions had not yet incorporated the patch into their own builds. This creates a dangerous window of exposure, especially for environments that delay kernel updates. Copy Fail stems from a logical flaw in the Linux kernel’s cryptographic AEAD implementation...