Who supports 2FA (two-factor authentication)?

In light of the plethora of data breaches in the news, it behooves us to use two-factor authentication (2FA) where it is available. I use it for important accounts like LastPass, eBay and PayPal. Where it is offered on other financial accounts, I use it. You should, too. But how do you know who...
Turn off email preview in your email client

In light of Microsoft Security Advisory 2953095, I am restating advice I first published in 2008. While this particular vulnerability may not be directly related to previewing email messages, it is still a viable attack vector. Here is what I originally called "Security Maxim...
Thwart predators and social engineers with a passphrase

I don't remember exactly where I saw it or heard it, but I recall a story about an incident where a child was approached by a (potential) sexual predator. The child was told his mother wanted him home right away and -- we'll call him Mr. Friendly -- Mr. Friendly was there to pick the child up....
KrebsOnSecurity hit with massive WordPress pingback attack

In a March 14, 2014 blog post, Brian Krebs revealed that his site, KrebsOnSecurity, which runs on WordPress, was hit by a DDoS attack:
On Wednesday, KrebsOnSecurity was hit with a fairly large attack...
Is your site an unwitting participant in a DDoS attack?

In a normal DDoS attack, a botnet of hundreds or thousands of computers performs a coordinated attack against a particular website. But what if you don't have access to a botnet? You trick WordPress sites into sending unwanted traffic to the site. Here's how, according to a
PWN2OWN cracks Reader, IE, Flash, Firefox and Chrome, but not Java

iOS 7.1 released to patch bugs and fix the White Screen of Death

On Monday, Apple released iOS 7.1 for iPad and iPhone and recommended that users update as soon as possible. The update comes just a few weeks after Apple released an emergency update for iOS that fixed a critical security hole that could have allowed hackers to intercept secure communications...