Find this information under ITBasics on the
DiscoverIT page in My iMpact.
Keeping Your PC
Secure Takes Knowledge & Vigilance
It takes a certain level of
vigilance to secure your property. You may only need a lock and an alarm system
to keep your home secure. Threats to your home do not change much over time.
Computer security is a moving target with vulnerabilities, threats and ways to
counter threats constantly changing. With that in mind, please check this site
periodically for updates.
purpose of this page, is to provide security-related computer
information for users' personal or home computer systems. It is NOT
intended for Ross Business School systems. Problems with Ross
Business School systems should be referred to the helpdesk
(firstname.lastname@example.org; Phone: 615-3000).
If you are unsure whether the system you are using is a Business
School system, contact the helpdesk before following any of the
suggestions on this page.
Properties of PC Security
– My data is only available to me and others I authorize.
My data is as I expect it to be.
– My data is available when I want it, how I want it.
System vulnerabilities lead to
threats and exploits. Our systems are vulnerable to the extent that they do not
possess the properties listed above.
There are many sources for
definitions of threats, none definitive. We’ll go with Wikipedia …
We have found
that the most secure passwords are long phrases with a few caps and
non-alphanumeric characters. You might use something like – I bet you
can’t guess this password! (But don’t copy this one).
Change Your Password When You
Change Your Clocks!
To protect your privacy and
security, we recommend that you change your UMICH
Kerberos password once every six months. Why not change
your password when you change your clocks for Daylight
Microsoft Update is a
Microsoft Web site that offers the same downloads that are available from
Windows Update—plus the latest updates for Microsoft Office and other Microsoft
visit Microsoft Update, the site scans your computer and gives you a list of
updates relevant to your computer and its configuration. You then decide which
updates you want to download and install.
Home users that are running a network will
already have a gateway router which has a built in hardware firewall. If you
have a cable modem but are not running a network, you can still use a gateway
router to provide firewall protection. Any wired or wireless router will fit
the bill. Wireless routers also have a wired Ethernet port. Disable the
wireless portion of your router on installation if you will not be using it.
Please be aware that it may take
more than one program to remove Adware/Spyware and get rid of symptoms. There
are times when even running several anti-Adware/Spyware programs will not clean
your system. When this occurs you can try HiJackThis with the help of a “Quick
Start” and user forums.
You are the first line of defense
for your system. If you have any doubts about opening an email attachment,
clicking on a pop-up or downloading some software, JUST SAY NO. Through whatever means you have at your disposal, verify that what you are
about to click on is safe and legitimate.