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Best practices and strategies for combatting malware

What are the best strategies and tactics to take care of the onslaught of malware/Trojan horses in a network?

I am handling an enterprise 24/7 network with an antivirus solution in place along with security like a firewall. But, I am worried on how to protect my network from malware such as P2P worms and Trojan horses especially since a lot of users have access to Internet.

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Defending against malware of all kinds boils down to the same sort of actions:

  • Install and maintain up-to-date detection software like virus scanners, trojan scanners and spyware scanners.
  • Maintain your systems with up-to-date security patches and the latest versions of software that are designed to be more secure.
  • Teach your users how social engineering works and keep them informed of the latest hoaxes and "tricky" e-mails they can expect to receive via an internal Web site.

  • For more info on this topic, visit these resources:
  • archived Featured Topic: Firewall evolution
  • Virus Alert: Alert: Sobig-F & Nachi
  • Virus Prevention Tip: Virus protection -- Prevention, detection, response

  • This was first published in August 2003

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