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E-mail & Computing
Electronic Security at Columbia

Columbia Security Articles

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      Tips

Legal Music and Movies Online

This document provides suggestions for finding music, movies, and other content online

Protect Yourself from Identity Theft

This document provides information on how to protect yourself from identity theft

Finding your IP and MAC Addresses

This document provides a link to a script which will show the IP address and MAC address of a user's computer

Windows Metafile Vulnerability

On December 28th, 2005, Microsoft announced a new vulnerability affecting .wmf and .emf files.

Keeping Third Party Applications Up to Date

Links and basic information about keeping third party applications like Mozilla Firefox and Real Player up to date

Protecting Data Using Encryption

This document gives some basic advice and links regarding local filesystem encryption.

Choosing a Windows Password

Information and instructions related to choosing a password on a Windows system.

Choosing a Secure OS X Password

This document provides instructions for choosing a secure password in the OS X operating system.

Allowing Program Access in Windows XP SP2

The Windows XP SP2 Firewall will block applications the first time they are seen. Here are instructions for allowing or denying access to programs.

OS X Firewall

This document provides instructions for turning on the OS X Firewall.

Valid SSH Keys

Valid SSH Keys for connecting to Cunix and Pinex.

Configuring Windows ME for Automatic Updates

Instructions for configuring automatic updates on Windows ME systems.

Protecting your Passwords

Advice for keeping your passwords safe at Columbia and elsewhere.

Windows Update Information

Information on Windows Update and instructions for automating updates on Windows systems.

Turning on the Windows XP Firewall

Instructions for turning on the firewall built in to Windows XP.

Configuring Windows XP (Pre-SP 2) for Automatic Updates

Instructions for configuring automatic updates on Windows XP systems not yet upgraded to Service Pack 2.

Configuring Windows 2000 for Automatic Updates

Instructions for configuring automatic updates on Windows 2000 systems.

Configuring Windows XP SP2 for Automatic Updates

Instructions for configuring automatic updates on Windows XP systems that have Service Pack 2 installed.

Rebooting Windows in Safe Mode

Instructions for rebooting Windows 98/2000/XP into Safe Mode.

Forwarding Messages with Full Headers

Instructions for forwarding messages with full headers in various email clients.

How to Reformat (Windows)

Instructions for reformatting a machine with Windows 2000 or Windows XP installed.

Reformatting in Windows with an Update CD

Advice and instructions for Windows users on reformatting their machine with minimal risk of infection when an update CD is available.

Reformat in Windows XP without Updates

Advice and instructions for Windows XP users on reformatting their machine with minimal risk of reinfection.

Reformat in Windows 2000 without Updates

Advice and instructions for Windows 2000 users on reformatting their machine with minimal risk of reinfection.



Reporting Security Problems

Send reports of security incidents, attacks, or questions to security@columbia.edu