Dentaltown August 2021 - 20

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Dandmi
Member Since: 08/13/14
Post: 26 of 40
Ransomware is basically a virus. However, it uses a lot of Windows on-board systems (such
as encryption) to do its dirty work and standard antivirus can have trouble identifying it.
We used CryptoPrevent on 1,500+ PCs but eventually changed to a different system.
CryptoPrevent is nice, but for us there were more false positives than actual alerts. And
CryptoPrevent can be destructive. It actually deleted some Windows profi le data when Honeypot
triggered erroneously. We had to restore from backup. So we don't use that one anymore.
I like having antivirus, a specifi c ransomware add-on and a network fi rewall such as a
SonicWall with some email and spam protection. You'll want to upgrade to Windows 10. There
are tons of issues with security on 7, which has been out of support for a long while now. It
doesn't matter what software you use; the OS is so old and unpatched that I'm pretty sure
there will be some vulnerabilities within that system that are stronger than any protection that
CryptoPrevent might give it. ■
6/14/2021
Dan Gavin
Member Since: 02/16/21
Post: 30 of 40
As noted previously, antivirus and fi rewalls will not help much with the modern-day ransomware.
More than 80% of the time, the ransomware comes through email or a browser so
the fi rewalls do not do anything to help stop it because those ports stay open. Most ransomware
never hits the hard drive and stays in memory instead, using tools like PowerShell to download
their payload from the internet. This makes your antivirus ineffective because it checks only
what is on the hard drive, not memory.
Some things you can do:
1. Restrict outbound PowerShell. Because this is how 87% of malware gets pulled in
undetected, restricting outbound PowerShell from going to the internet will stop most
ransomware in its tracks.
2. Enable " Controlled Folder Access " feature: This feature allows only authorized applications
and users to modify folders. If the malware isn't on the application list to modify
folders, it can't encrypt them.
3. Stop running as administrator! To see if you are logged in as " administrator " type " cmd "
in the search window. At the command prompt app, right-click and run as administrator.
If you are not asked for an administrator password, you are running as administrator.
When you go to a poisoned website or click on a malicious link, the malware has the same
privileges of the user who visited the site or clicked the link. If you are running as administrator,
you have just given the keys to the kingdom away for free.
4. Train your staff on cybersecurity hygiene. Social engineering and lack of cybersecurity
awareness are responsible for many attacks regardless of the high-dollar technology. A
careless staff member can negate many defenses. We offer cyber training as part of a
package or a la carte.
5. Whitelist applications. You can set up your computers to only run known-good applications
and deny the rest. This feature is available on Microsoft, but people seldom use
it because it has a reputation for being hard to manage. Some cybersecurity companies
like ours offer a service that makes it user-friendly and validates new applications before
approval. It takes a different mindset to forgo the immediate installation of anything at
any time, but it works extremely well.
6. Get cybersecurity insurance. There are a wide range of products, so you have to read the
fi ne print. There are some endorsements thrown in at a minimal costs to your business
owner policies up to $100K, but only $25K for ransom. In my opinion, dentist offi ces
should look at getting a separate policy that provides a number to call if you get hit
with ransomware. The insurance company will get you a forensic expert to evaluate and
20 AUGUST 2021 // dentaltown.com
http://www.dentaltown.com

Dentaltown August 2021

Table of Contents for the Digital Edition of Dentaltown August 2021

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Dentaltown August 2021 - Cover3
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