To safeguard the SQL layer against common SQL-based attacks, including Denial of Service, Brute Force, and SQL injections, and to prevent privilege escalations, hardening the SQL server is of utmost importance. Achieving compliance and satisfying auditors also necessitates SQL hardening. By implementing SQL hardening measures at both the application and operating system levels, the organization can significantly reduce its attack surface and eliminate critical vulnerabilities.

When installing a new Linux server, you should be aware that its level of security is very low by default, to allow as much functionality as possible. Therefore, performing basic hardening actions before the server is installed in production is crucial. CalCom Software is hardening RedHat / Linux.

The LAN Manager (LM) is a group of early Microsoft client/server software products that enable users to connect personal computers on a single network. Its features include transparent file and printer sharing, user security features, and network administration tools. In Active Directory domains, the default authentication protocol is the Kerberos protocol. However, if Kerberos is not available for any reason, LM, NTLM, or NTLMv2 can be used as an alternative.