ISIL Defacements Exploiting WordPress Vulnerablities – update now

The FBI has warned that ISIL is exploiting vulnerabilities in WordPress sites running out-of-date versions of WordPress or old versions of certain plugins or themes to deface the sites. The FBI’s statement:  http://www.ic3.gov/media/2015/150407-1.aspx Sucuri’s writeup with mention of specific plugins to check:  http://blog.sucuri.net/2015/04/fbi-public-service-annoucement-defacements-exploiting-wordpress-vulnerabilities.html The current version of WordPress (as of 4/8/2015) is 4.1.1.  If you… Read More »

Don’t let your email account get hijacked – tips

Email accounts are prime targets for spammers, who can no longer send spam directly from malware-infected computers because of improved spam filtering and steps that major providers like Verizon/Comcast/Cox have taken.  If a spammer can hijack an email account, he’ll be able to send spam at high speed from a legitimate account until he gets… Read More »

eBay passwords compromised

According to Ars Technica, encrypted eBay passwords and other information have been stolen by cyberattackers.  If you have an eBay account, change your password ASAP.  If your eBay password is one you’ve used on other services, including your accounts with HIS, change those passwords too, and don’t use the same password on more than one… Read More »

Resolved: spam.his.com backlog 5/19/2014

Starting at 6:30 AM on Monday, 5/19/2014, multiple servers were hit with a high-volume spam flood from a Russian botnet that had hijacked user email accounts.  The volume was so high that spam.his.com, which filters both incoming and outgoing mail, became backlogged and mail delivery became very slow.  We identified the problem shortly after 7 AM and… Read More »

FYI: CryptoLocker virus

CryptoLocker is a new virus that affects Windows PCs – if you get infected, a screen pops up telling you that your stored documents and images have been encrypted, and if you don’t pay $300 within 72 hours, the key required to decrypt your files will be destroyed and you’ll be out of luck.  There… Read More »

Barracuda update

spam.his.com is doing an excellent job of blocking spam without stopping non-spam – the only false positives we’re seeing involve mail from bulk sources (overstock.com, alert.ema.dc.gov, etc., where many messages with the same content come in at once, which is characteristic of spam – you may find that you need to whitelist these if they’re… Read More »