Powerful DDoS Attack Cripples ProtonMail Service For Days
Geneva-based encrypted email service ProtonMail has been offline for most of the past two days after being targeted by what the company is calling an “extremely powerful DDoS attack.”
Read more: Powerful DDoS Attack Cripples ProtonMail Service For Days
Story added 5. November 2015, content source with full text you can find at link above.