A recent FBI public service advisory warned of an increase in reports of compromised or spoofed emails involving W-2 forms.

More than half of the world’s top sites suffer from misconfigured email servers, something that heightens the risk of having spoofed emails sent from their domains, researchers warn. Researchers at Detectify, a Swedish web security firm, recently combed through hundreds of domains and found that many of them suffer from poor email authentication methods. An...