Tag Archive: Security

BAD USB!

BadUSB – Turning devices evil. Once reprogrammed, benign devices can turn malicious in many ways, including: A device can emulate a keyboard and issue commands on behalf of the logged-in user, for example to exfiltrate files or install malware. Such malware, in turn, can infect the controller chips of other USB devices connected to the …

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How to secure public WIFI connections on PC’s, Laptops and Android devices

Wifi connections are convenient and are nearly essential these days for most users. However, securing your connection can be complex and difficult, especially if using a free wifi hotspot at an airport, hotel or cafe. If you have the option, using a VPN is often a simple, effective way to create a secure connection. However, …

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Leveraging Google’s two-factor-identification to secure SSH logins

Recently, Google began to offer two factor authentication as an available option to securely login to Google accounts (Gmail, Google Docs, etc). Insodoing, they also offered an open source PAM module that will allow you to do one excellent thing: Force 2FA (two factor authentication) for SSH (secure shell) logins (or local logins) for Linux …

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The Dropbox Security Saga gets Serious:

This news is a few days old, but I thought I should post an update about it as I’ve covered Dropbox security issues in a previous blog entry. There is an extensive article in Wired magazine about this Dropbox fiasco. Apparently an FTC complaint has been filed. From the article . . . The FTC complaint …

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Dropbox security issues

I use Dropbox heavily for storing many files I’d like immediate and synchronous access to across various systems. I enjoy knowing that if I place a file on my Dropbox folder at home, it’ll be available on my laptop later, on my work machine, or on other machines I use remotely. It’s very convenient. Dropbox …

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Beware of your photocopiers!

Many people don’t know that there are hard drives in many photocopy machines today, especially in any office style photocopier made within the last 5 to 7 years. These hard drives often retain scans of old documents. This matters when an office disposes of an old copier, as it’s been a treasure trove for identity thieves and other …

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How to harden a default Ubuntu (or almost any Linux) install.

Even Linux can be vulnerable to attack, especially on a fresh install where all settings are left at defaults. This is an excellent article from IT Security on how to shore up security on a fresh Linux install. I am not sure if the anti-virus recommendation is required at this time, I think that might …

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