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The US Computer Emergency Readiness Team (US-CERT) has published an Alert (TA17-132A) with the indicators associated with WannaCry ransomware. WannaCry, WCry, or Wanna Decryptor, was discovered on 12th May 2017. It is believed that WannaCry is gaining access to enterprise servers either through Remote Desktop Protocol (RDP) compromise or through the exploitation of a critical Windows SMB vulnerability. Microsoft has released a security update for the MS17-010 vulnerability. How it works…
ProtonMail has re-opened free registration for the first time since it was launched back in May 2014. ProtonMail wants to keep new membership open for as long as they can sustain it. They don’t make money from advertising, only from donations or people paying for the service. Messages remain in an encrypted format when they are transmitted between their servers and the end-user’s device. The ProtonMail mail service uses AES, RSA, and OpenPGP. To get an encrypted email account visit https://protonmail.com/
AES (Advanced Encryption Standard) can be implemented in PHP using a script developed by Chris Veness. AES was adopted by NIST in 2001 as FIPS-197, and is the replacement for DES which was withdrawn in 2005. You can download the source code from Moveable Type.