SAM.gov undergoes routine, scheduled maintenance at the following days and times: 

Every Tuesday, Thursday, and Friday 8:00 PM - 10:00 PM (ET);

SAM.gov may be unavailable during these times.

GSA vendors may be the targets of fraudulent phishing emails.

Phishing is a scheme that lures victims into providing personal or financial information.

Do not open unsolicited emails or suspicious attachments/links.

The Cybersecurity and Infrastructure Security Agency offers tips on avoiding phishing attacks.