Vulnerabilities could reveal plaintext of encrypted emails, security researchers warn. Experts say PGP/GPG and S/MIME encryption techniques are at risk. They recommend disabling PGP tools that decrypt PGP emails by default. Mailfence, ProtonMail, Mailbox and other secure email services are not at risk of the flaws, experts say. The flaws relate to two techniques used to encrypt emails and data: PGP and OpenPGP – PGP is short for Pretty Good Privacy.”]
Source: https://www.databreachtoday.com/uninstall-or-disable-pgp-tools-security-researchers-warn-a-11005

