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Malware authors' continued use of stolen certificates isn't all bad news

A new malware campaign that uses two stolen code-signing certificates shows that such certificates continue to be popular among malware authors. But there is a positive side to malware authors' use of stolen certificates.
A malware campaign has been using code-signing certificates stolen from Taiwanese companies to sign its samples, ESET researcher and regular VB conference speaker Anton Cherepanov… https://www.virusbulletin.com/blog/2018/07/malware-authors-continued-use-stolen-certificates-not-only-bad-news/

Let's Encrypt certificate used in malversiting

We'd better get used to a world where malicious traffic is encrypted too.
We'd better get used to a world where malicious traffic is encrypted too. According to some people, myself included, Let's Encrypt was one of the best things that happened to the… https://www.virusbulletin.com/blog/2016/01/let-s-encrypt-certificate-used-malversiting/

Google 'suspends' CNNIC from Chrome's certificate store

Chinese certificate authority told to re-apply.
Chinese certificate authority told to re-apply. When a web client, such as a browser, attempts to make an HTTPS connection, it needs to know that no man-in-the-middle attack is… https://www.virusbulletin.com/blog/2015/04/google-suspends-cnnic-chrome-s-certificate-store/

1 in 500 secure connections use forged certificate

For reasons ranging from relatively good, to actual malware.
For reasons ranging from relatively good, to actual malware. Researchers from Facebook and Carnegie Mellon University have published a paper (PDF) in which they show that out of a… https://www.virusbulletin.com/blog/2014/05/1-500-secure-connections-use-forged-certificate/

Iranians spied on using rogue DigiNotar certificates

Fake certificates signed for CIA, Mossad, Google, Facebook.
Fake certificates signed for CIA, Mossad, Google, Facebook. It is likely that Iranian Internet users have been spied on following a hack discovered at Dutch certificate authority… https://www.virusbulletin.com/blog/2011/09/iranians-spied-using-rogue-diginotar-certificates/