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Here are my key steps
in keeping a computer protected
- Keeping your software & OS up to date.
- Keeping either a bi-directional firewall installed/up to date and
running at all times or a Unified Threat Management system like our
Untangle Network Gateway.
- Keeping an up to date antivirus/antispyware installed & active
always.
- Running scans on a regular basis with AV software.
- Staying off the P2P sites or sites that offer cracked
software.
- Being very careful on social networking sites. I won't click links
posted unless I can verify it is safe.
- Watching what I download. If I want to try out an app - I try to
research about it & read reviews.
- If it is free ... why?
- I don't open emails I am not expecting and those that I am I handle
with care. Attachments are never opened right from the email I always save
them first. If I am not sure - I will ask sender what the file is supposed
to do & if they meant to send it.
- Spam is outright deleted. I suggest using antispam software like
Mailwasher Pro. Ecards/postcards deleted - (unless I
know/trust the sender and even then I ask first)
- Watching the kind of of search results that come up & being choosy
which results I click. I primarily use Google for searches. Google has
improved things somewhat by labeling possibly harmful sites but I also see
in search results often a lot of really odd looking "code" or rather parts
of scripts. I stay away from this because a lot of the time it is a hacked
site and what I am seeing is part of the malicious javascript designed to
exploit the PC which leads to infection.
- Not clicking links in IM/IRC/Chat programs unless I can determine for
sure it is safe.
- Not accepting files in IM/Chat unless I can trust the sender & I
have asked what the file is/know what it does.
- Using common sense.
- Back up important stuff regularly & preferably have the backups
kept on offline storage. I use an external hard drive which is only
connected when I do my backup.
- If a PC on your network is found to be infected - get it off the
network so it does not spread.
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