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KnowBe4

Security Awareness Training Blog


Keeping You Informed. Keeping You Aware.

ANNOUNCEMENT: Brand New Tool: Mailserver Security Assessment [It's Free]

ANNOUNCEMENT: Brand New Tool: Mailserver Security Assessment [It's Free]

Do you know what's getting through your mail filters?
 

KnowBe4 is excited to announce that now you can use our brand new, innovative Mailserver Security Assessment (MSA), to help you assess your organization’s mailserver configuration settings and check the effectiveness of your email filtering rules.

With email still the #1 attack vector used by the bad guys, MSA helps you to see what types of messages may make it through your filters from the outside.

Email Security Vulnerability Affects Half of the Internet's Servers

Email Security Vulnerability Affects Half of the Internet's Servers

Our friends at Bleepingcomputer wrote: "A critical vulnerability affects hundreds of thousands of email servers.
 
A fix has been released but this flaw affects more than half of the Internet's email servers, and patching the issue will take weeks if not months.
 
The bug is a vulnerability in Exim , a mail transfer agent (MTA) —software that runs on email servers and which relays emails from senders to recipients.  According to a survey conducted in March 2017, 56% of all of the Internet's email servers run Exim , with over 560,000 available online at the time. Another more recent report puts that number in the millions.
Email Security Gap Analysis Shows 10.5% Miss Rate

Email Security Gap Analysis Shows 10.5% Miss Rate

Aggregated results show 10.5% average rates at which enterprise email security systems miss spam, phishing and malware attachments.
 

Here is a summary of findings of email security systems to user mailboxes at companies tested in Cyren’s Email Security Gap Analysis program during the months of September and October 2017.

The Gap Analysis Overview Cyren examined 11.7 million emails forwarded to Cyren: 

  • Email volume analyzed: 11.7 million
  • Test period: September – October 2017
  • Average miss rate: 10.5%

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