Category Archives: Security

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 »

ALERT: major brute-force password-guessing attack on WordPress sites underway

There’s a significant attack by a botnet on WordPress sites, where the bots are trying to guess the passwords of common admin logins.  More info:  http://arstechnica.com/security/2013/04/huge-attack-on-wordpress-sites-could-spawn-never-before-seen-super-botnet/ If you are using WordPress and are using a common username or a common password, change it immediately to something less obvious. Update your WordPress admin password when in… Read More »

Phishing/Malware email

We’re seeing a significant  increase in the number of ‘phishing’ and malware email messages. Most of these are being stopped by Postini’s spam/virus filters, but some are getting through, and some are getting past our own spam/virus filters that we use to supplement Postini. These messages are well crafted and look like legitimate email from… Read More »