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SOESD / Learning Matters / Newsletter Archive / April 2009 / Happy New Year?

Happy New Year?

For several of our districts the new year has been a wakeup call. The 'bad' guys are out en-masse and attacking our networks. It is more important than ever to keep your electronic guard up. This especially includes making sure your systems have the latest security patches from their vendor and your antivirus/malware software definitions are updated daily with real-time protection turned on. We have had one district that wasn't current with regards to updates and they were offline for several days in February, they are still finding and cleaning compromised hosts. We've talked with others who were being diligent and testing updates to make sure they didn't cause problems but their systems were at risk and when a student brought an infected thumb drive from home, they found themselves with a spreading infection.

We are recommending that all of our districts make sure their systems are receiving security patches when they are issued and have current anti-virus/malware software installed and updated daily. When your hosts are compromised they affect all of us as infected hosts generally generate unneeded traffic which uses up bandwidth and impacts things like eSIS, Pentamation, Oaks Testing and so on. We also recommend creating a whitelist of ports for your firewall. Only allow for ingress and egress those ports you know you use. You should block all SMTP traffic except to your known email systems. If you would like help with any of these things please contact network_services@soesd.k12.or.us.




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