This week, Axios reported … Fortune 500 companies are doing … a lousy job at email security. 330 out of the Fortune 500 companies do not have computers set up to prevent sending fraudulent emails in a firm’s name. If these resource-rich companies have not implemented simple steps to beef up their email security, chances are that […]
Archive | Security & Privacy
What is the Dark Tequila Threat?
Hello Zimbra Friends, This blog post is to update you on the Dark Tequila malicious campaign and its possible impact on Zimbra users. Dark Tequila is a complex, malicious campaign targeting Mexican users, with the primary purpose of stealing financial information and login credentials to popular websites (ranging from code versioning repositories to public file […]
#EFAIL: Zimbra Not Affected
There has been active commentary about the “EFAIL” paper released May 14 by a German and Belgian research team that presented potential vulnerability in PGP and S/MIME encrypted emails. The Zimbra Security team has analyzed the paper and tested Zimbra for any exposure to the EFAIL attack patterns. The Results? Good news. Zimbra S/MIME solutions […]
#EFAIL: Zimbra Not Affected
There has been active commentary about the “EFAIL” paper released May 14 by a German and Belgian research team that presented potential vulnerability in PGP and S/MIME encrypted emails. The Zimbra Security team has analyzed the paper and tested Zimbra for any exposure to the EFAIL attack patterns. The Results? Good news. Zimbra S/MIME solutions […]
Zimbra Admin Alert … Potential “memcrashd” attack
By Gayle Billat on March 1, 2018 in Product News, Community, Education, PowerTips – Admins, Product Updates, Security & Privacy
Zimbra memcached may face the “memcrashd” attack on port 11211. By default, memcached listens on a server IP address that is accessible on the network and via the internet if there is no firewall. If your Zimbra memcache servers are behind a firewall, we recommend blocking access on port 11211 from the Internet to Zimbra […]
Personal Email Security — More Important than Ever!
Do you access your email via Wi-Fi? Most of us do. You probably also use WPA2 as the safety protocol for your Wi-Fi network(s) because it’s the industry standard. We all think that reading and sending email via Wi-Fi is generally safe and secure, but the recent KRACK attacks will give you something new to think […]