I've got an Exchange 2007 box with the following error:<br><br>There is no valid SMTP Transport Layer Security (TLS) certificate for the FQDN of mail.domain.com. The existing certificate for that FQDN ...

Facebook has announced that its Tor gateway will be down for one to two weeks due to an expired TLS certificate. This is a bit strange as it normally should not take two weeks to renew a certificate.

Three-quarters of global CIOs are concerned about the proliferation of TLS certificates and the growing security risks associated with them, according to a new study from Venafi. The security vendor ...

From September 1, X.509 Transport Layer Security (TLS) digital certificates with a validity period of more than 13 months or 398 days will no longer be issued. This is down from the existing 27 months ...

A decision that Apple unilaterally took in February 2020 has reverberated across the browser landscape and has effectively strong-armed the Certificate Authority industry into bitterly accepting a new ...

Security tools that proxy and inspect HTTPS traffic create a blindspot for network administrators trying to determine whether communication between clients and servers is secure. Recent academic work ...

A Transport Layer Security (TLS) certificate is a vital part of a balanced security breakfast, but millions of organizations are still eating Frosted Fruity Squiggles (with Extra Sugar inside!) and ...

Five large issuers of Transport Layer Security certificates have launched The London Protocol to improve identity assurance for websites, following a recent rise in phishing fraud using digital ...