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Wireless and network security
August 6, 2008
If you have a wireless network, turn on the security features: Use MAC filtering, turn off SSID broadcast, and even use WEP/WPA/WPA2 with the biggest key you can get.
Network security
Intruders (also referred to as hackers, attackers, or crackers) may not care about your identity. Often they want to gain control of your computer so they can use it to launch attacks on other computer systems. Having control of your computer gives them the ability to hide their true location as and when they launch attacks, often against high-profile computer systems such as government or financial systems. Even if you have a computer connected to the Internet only to play the latest games or to send email to friends and family, your computer may be a target.
In most cases, it takes less than a few minutes for an attacker to compromise a network and professional hackers can compromise thousands of computers every hour. These computers are then used to send spam and to carry out further attacks.
Some steps to prevent your network from being compromise and abused are:
Keep all applications, including your operating system, patched
Turn off your computer or disconnect from the network when not in use
Disable Java, JavaScript, and ActiveX from running by default if possible
Disable scripting features in e-mail programmes
Make a boot disk in case your computer is damaged or compromised
Ensure strong passwords across all your computers and devices
Change router and firewall passwords from default
Disable file and printer sharing across networks
Also see: At 18, he runs an anti-hacking company
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