If you follow good security practices and restricted your SSH access, you were safe against it:<p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;danielcid&#x2F;status&#x2F;678907293770059776" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;danielcid&#x2F;status&#x2F;678907293770059776</a><p>If you are managing any login system, try to implement ip white listing whenever possible.