We often hear that we need to protect ourselves from data sniffing, particularly at open WiFi hotspots. I’ll look at what and how easy sniffing is.
Ask Leo: Just how easy is it to sniff network traffic? Read More »
While you cannot find the specific owner of an IP address, I’ll look at a few tools to see what IP-related information you can get.
Ask Leo: How do I figure out who owns an IP address? Read More »
With all of today’s technology, one would think that it would be easy to track down the owners of “illegal” sites. It’s much more complicated than that.
Ask Leo: Why aren’t illegal sites easier to track down? Read More »
With all the focus on malware, it’s easy to assume your computer has an infection if you suddenly get a lot of bounced email. That’s typically not the cause.
Ask Leo: Do all these email bounces mean I have a bot infection? Read More »
Web searches are stored in your browser history, but even deleting that may not be enough to prevent the discovery of what you’ve been searching for.
Ask Leo: How much of my search history could be recovered? Read More »
An unfortunately common attack vector for malware is via malicious or hacked websites. I’ll look at the signs, and the steps you need to take.
Ask Leo: How did a website install malware on my PC? Read More »
Using a dedicated machine is one approach to significantly improving the security of online opertations. I’ll examine the approach and alternatives.
Ask Leo: Time to Dedicate a Machine to Online Banking? Read More »
By Leo Notenboom
A very common scam has people supposedly from Microsoft or your ISP or other authorities calling to help you with computer problems. Don’t fall for it.
Ask Leo: Next Steps for Victims of Microsoft Support Scam Read More »
By Leo Notenboom
Contextual advertising uses on-site clues and additional information to place ads that are likely to be useful to site visitors, or to you.
Ask Leo: Are You Being Stalked by Ad Networks? Read More »
By Leo Notenboom
For years, the standard practice has been to assume that eight-character passwords made up of sufficiently random characters was enough. Not any more.
Ask Leo: How long should a password be? Read More »