Summary
Tutanota experienced a sophisticated, multi-layered DDoS attack on Saturday, 15th of August, which led to a downtime of all Tutanota servers. It is unknown who is behind the attack or why they attacked Tutanota.
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Additionally, multiple DNS providers were attacked to take down Tutanota, leading to a downtime of several hours for millions of Tutanota users.
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Summary
On Saturday, 15th of August, a sophisticated, multi-layered DDoS attack was launched against Tutanota which led to a downtime of all Tutanota servers. During this attack no data was lost or breached.
We do not know who is behind the attack or why they attacked Tutanota.
Update on the recent DDoS attack on Tutanota.
tutanota.com
Summary
Last night multiple DNS providers were attacked to take down Tutanota. In combination with wrongly cached DNS entries for the tutanota.com domain at different DNS servers, this led to a downtime of several hours for millions of Tutanota users.
DDoS attack on our DNS infrastructure - Tutanota
tutanota.com
Tutanota got hacked? Tutanota 's servers are up and running and but they are getting blacklisted and if you can't access it it is possible that their IP is blocked by…
Tutanota got hacked? : r/tutanota - reddit
reddit.com