In discussions with the security teams of many of our enterprise customers, Retarus’ experts often encounter a commonly overlooked risk. The issue is that some email security solutions activate the DKIM “l=” tag (length tag) by default. While this option indeed made sense in the past, it now poses significant security risks.

The run-up to Christmas is the most wonderful time of the year for many people – unfortunately, it is for cybercriminals as well. While companies focus on closing the fiscal year and employees are busy with vacation planning and gift shopping, attackers prepare targeted campaigns. Sören Schulte, email security specialist at Retarus, explains what IT managers need to watch out for to successfully fend off phishing, CEO fraud, and other scam techniques.