Tip of the Week – April 30, 2026

Strengthen Email Authentication to Prevent Spoofing

Email remains a leading entry point for cyber threats targeting water utilities, particularly through phishing and spoofed messages that impersonate trusted senders. Implementing strong email authentication controls—such as SPF, DKIM, and DMARC—can significantly reduce the risk of unauthorized use of your domain. Properly configured, these protections help receiving systems verify legitimate messages and block malicious ones, limiting credential harvesting and business email compromise attempts.