Microsoft apparently forgot to renew the SSL certificate, which allows a secure connection between a web browser and a web server. As a result, the app told users that it failed to establish an ...

It's not the first time this kind of thing has happened to tech firms and it won't be the last. Microsoft had problems in ...

Cisco is warning customers that an expired certificate bug in a number of its Viptela SD-WAN devices can take down the boxes and consequently their attached SD-WAN environments.. In a tweeted ...

The site's security certificate has expired! You attempted to reach arstechnica.com, but the server presented an expired certificate. No information is available to indicate whether that ...

An expired security certificate. The SSL security certificate is what keeps a website secure by enabling encryption, giving it the "s" in HTTPS. For Megaphone, ...

Google forgot to renew one of its TLS certificates, leading to service disruption Saturday for people using Gmail through third-party email clients. The problem was fixed in a matter of hours, but ...

In the past, we have also seen expired certificates affect services such as Facebook's Tor server, Microsoft Teams, and IoT devices. 8 Common Threats in 2025.

Windows 11 users looking to use the built-in snipping tool, touch keyboard, voice typing, and emoji panel could be in a bit of strife thanks to an expired certificate. According to Microsoft, the ...

Microsoft's Windows Azure storage service went down just before 4 p.m. ET. An expired HTTPS security certificate could be at fault.

In February 2013, an expired certificate issue disrupted the Microsoft Azure service worldwide for around a day. Since Azure is a cloud computing platform, many third-party services relying on it ...