Threat Actos
Omnis Security from NETSCOUT: Protect Your Network from the Threats You Can’t See
On 09 December 2021, the world was alerted to the Log4j vulnerability [CVE-2021-44228 aka Log4Shell]. It is likely that threat actors already knew about the vulnerability before this date, says Tom Bienkowski, NETSCOUT Product Marketing Director, because it’s been reported that the vulnerability had been exposed much earlier in Minecraft chat forums. How does Log4j work – and what lessons does it bring? Log4j, which is open-source software provided by the Apache Software Foundation, records errors and routine system operations and sends diagnostic messages about them to system administrators and users. A common example of Log4j is when a user types in or clicks on a bad weblink and they receive a 404 error message. The web server running the domain of the attempted weblink sends a message ...
