Microsoft is investigating a bug preventing recipients from opening encrypted emails in classic Outlook after a recent update. This known issue affects users who try to open messages encrypted with ...

Proofpoint said Hornetsecurity brings in nearly $200 million in annual recurring revenue, with a 20% year-over-year growth rate. Financial details were not officially disclosed when news of the ...

Proofpoint, Inc., a leading cybersecurity and compliance company, today announced it has been named a Leader in the 2025 Gartner Magic Quadrant for Email Security for the second consecutive year.

SUNNYVALE, Calif.--(BUSINESS WIRE)--Proofpoint, Inc., a leading cybersecurity and compliance company, today announced it has been named a Leader in the 2025 Gartner Magic Quadrant for Email Security ...

You may see this error because the Microsoft 365 encryption service cannot verify your identity or check if you have permission to view the message. This is not ...

This problem often occurs when your local Outlook client uses outdated cached policy data rather than obtaining the latest encryption or labeling settings from Microsoft 365. Outlook has multiple ...

In a message obtained by Congress, the convicted sex offender Jeffrey Epstein wrote that Donald J. Trump spent hours at his house with one of Mr. Epstein’s victims. By Michael Gold Reporting from ...

Strong encryption is the backbone of digital privacy and secure data. Pressure on the government to weaken encryption is mounting, which raises some serious concerns. How do we preserve strong ...

With this update, Gmail users with client-side encryption can send E2EE emails to people using other providers, like Outlook. The recipient will receive a notice about the encrypted message, and can ...