Log4Shell Meltdown: How to protect your cloud from this critical RCE threat

**Executive summary:** Log4Shell (CVE-2021-44228) is a critical remote-code-execution vulnerability in the widely used Java logging library Log4j that allows attackers to trigger JNDI lookups via crafted log data, leading to immediate server takeover; the report describes widespread exposure (Wiz cites ~89% of environments), evidence of exploitation in the wild, recommended mitigations (upgrade to 2.15.0+, use -Dlog4j2.formatMsgNoLookups=True as a temporary measure), and detection/remediation guidance using Wiz's tooling.