A Cambridge University study has shown how easy it is to guess the answer to common questions, such as someone’s mother’s maiden name. It found attackers will be able to break into 1 in 80 accounts if they get three chances to guess answers. Read the full article. [BBC]
Spam messages spoofing Microsoft and promising a free Windows 10 upgrade instead drop the CTB-Locker crypto-ransomware on compromised machines.
Email security vendor Sendio has patched a pair of remotely exploitable security bypass vulnerabilities in its Sendio ESP, or Email Security Platform, product.
Email delivery service provider SendGrid admitted that hackers had accessed several internal systems, refuting reports earlier this month that the attack was an isolated incident.