Leaving Beta, New Sponsors

Let’s Encrypt is leaving beta today. We’re also excited to announce that founding sponsors Cisco and Akamai have renewed their Platinum sponsorships with 3-year...

ISRG Legal Transparency Report, July 2015 – December 2015

The trust of our users is ISRG’s most critical asset. Transparency regarding legal requests is an important part of making sure our users can...

New Name, New Home for the Let’s Encrypt Client Software

Update: Added clarification that only the Let’s Encrypt client software is changing its name and host. The Let’s Encrypt certificate authority and associated services...

Our Millionth Certificate

Let’s Encrypt has issued its millionth certificate. Our first million certificates are helping to secure approximately 2.4 million domains. This milestone means a lot...

Latest article

Indian Govt Bans Apps Being Misused to Stop E-Rickshaws Remotely

The Indian government has directed Google and Apple to take down three mobile applications, BAT-BMS, Lossigy, and Epoch-i-ion, after they were allegedly misused to...

Microsoft 365 users fall victim to one-in-a-million password spray attack

Microsoft users have been hit by a massive, automated password spray attack. Among those targeted by the attack were clients...

Apple’s ‘Hide My Email’ Privacy Flaw Exposes Real Email Addresses

Researchers say Apple’s Hide My Email flaw may expose real addresses, despite two fixes. Here’s what users should know about the privacy risk. The post...

Catan and Mouse

Welcome to this week’s edition of the Threat Source newsletter.  “I do not know everything; still many things I understand.” ― Madeleine L'Engle, A Wrinkle...