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Răzvan LIVINTZ
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HOW TO....

Windows 7 Security Tips #2

April 7, 2009
2 Min Read
Changing User Account Control Settings to prevent malicious code injections.

Windows 7 inherited from its predecessor, Windows Vista, a
built-in feature that increases security by preventing unauthorized access and
mitigating the risks of potential security breaches into the system.

User Account Control lets standard users perform several
tasks that previously required administrator access, such as changing the time
zone or connecting to a secure wireless network, while administrators can run
most programs and tasks with standard user privileges.

When tasks that include administrator privileges occur, such
as installing software, adding changes in registry system or changing some of
the computer settings, the operating system temporarily suspends its activity
and prompts the users to decide whether he or she accepts or decline that
specific task, while also asking for his or her administrator credentials.

The default user account created during the installation in
Windows 7 is a protected administrator that would be prompted only when
programs try to make changes to the system’s configuration; when the user
modifies the operating system settings, UAC does not raise any flag.

Apparently this setting seems very comfortable, especially in
terms of usability, because the OS is not incessantly bugging the user with pop-up
windows demanding several clicks in order to allow the execution of a program.

Still, as already shown by security analysts, this default
value could easily transform into an unwanted security
flaw
that could allow malware
to self-elevate
to full administrative privileges and malicious
code to run with no trouble at all
.

To protect your system and data and prevent arbitrary code
executions, change the default value of the User Account Control as depicted in the following video tutorial.

UAC Control Panel Tutorial

Tagsaccount security system user windows

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About the author

View All Posts

Răzvan LIVINTZ

With a humanities passion and background (BA and MA in Comparative Literature at the Faculty of Letters, University of Bucharest) - complemented by an avid interest for the IT world and its stunning evolution, I joined in the autumn of 2003 the chief editors' team from Niculescu Publishing House, as IT&C Chief Editor, where (among many other things) I coordinated the Romanian version of the well-known SAMS Teach Yourself in 24 Hours series. In 2005 I accepted two new challenges and became Junior Lecturer at the Faculty of Letters (to quote U2 - "A Sort of Homecoming") and Lead Technical Writer at BluePhoenix Solutions.

After leaving from BluePhoenix in 2008, I rediscovered "all that technical jazz" with the E-Threat Analysis and Communication Team at BitDefender, the creator of one of the industry's fastest and most effective lines of internationally certified security software. Here I produce a wide range of IT&C security-related content, from malware, spam and phishing alerts to technical whitepapers and press releases. Every now and then, I enjoy scrutinizing the convolutions of e-criminals' "not-so-beautiful mind" and, in counterpart, the new defensive trends throughout posts on www.hotforsecurity.com.

Balancing the keen and until late in night (please read "early morning") reading (fiction and comparative literature studies mostly) with Internet "addiction", the genuine zeal for my bright and fervid students with the craze for the latest discoveries in science and technology, I also enjoy taking not very usual pictures (I'm not a pro, but if you want to see the world through my lenses, here are some samples http://martzipan.blogspot.com), messing around with DTP programs to put out some nifty book layouts and wacky t-shirts, roaming the world (I can hardly wait to come back in the Big Apple), and last but not least, driving my small Korean car throughout the intricacies of our metropolis's traffic.

Why HTTPS is (always) good for you
Windows 7 Security Tips #1
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