Seth Blank, Author at Security Boulevard
Research: Email remains a weak link in U.S. election infrastructure

Research: Email remains a weak link in U.S. election infrastructure

As we head into the 2020 election season in the United States, a key component of the U.S. election infrastructure remains vulnerable to attack. Only 5% of the country’s largest counties are protecting their election officials from impersonation, according to an analysis by Valimail. The rest are vulnerable to impersonation, ... Read More

How DMARC works with subdomains and the sp tag

DMARC is a powerful tool for protecting sender identity in email. Amongst many other benefits, when properly enforced, it protects your domain from exact-domain spoofing, which is the technique used by the majority of business email compromise (BEC). However, “enforcement” has some nuance. DMARC enforcement requires a policy of quarantine ... Read More