Category: Security

Block Removable Devices by Group Policy
article #1247, updated 77 days ago

It’s very possible, per user or per computer:

www.mustbegeek.com/block-usb-or-removable-devices-using-group-policy/

It’s done in Policies, Administrative Templates, System, Removable Storage Access. There are quite a few granulations available.

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NIST National Vulnerability Database
article #1244, updated 98 days ago

Nicely searchable, including for CVE numbers:

https://nvd.nist.gov/vuln/search

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Identify safe and infected web sites
article #1234, updated 133 days ago

From the remarkable Tharin Brown:

https://transparencyreport.google.com/safe-browsing/search

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DNSBL Sources
article #1174, updated 276 days ago

A number of Internet tools use DNSBLs (DNS blacklists) and retrieve them by HTTP/HTTPS. Here are a number of good resources for this.

www.reddit.com/r/PFSENSE/comments/7s3ug9/pfblockerng_recommended_lists/

forum.it-monkey.net/index.php?topic=17.0

supratim-sanyal.blogspot.com/2017/04/pfsense-pfblockerng-ultimate-list-of-ip.html

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Spybot Anti-Beacon
article #1139, updated 373 days ago

This tool decommissions quite the list of Windows 7 through 10 telemetry inclusions by which Microsoft informs itself of our behavior, using quite a lot of our RAM, CPU, and bandwidth in so doing.

https://www.safer-networking.org/spybot-anti-beacon/

Brought to this forefront by the Beard, Mike Hunsinger.

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Reset password on Linux from GRUB
article #1076, updated 507 days ago

If you have access to the console and the machine runs GRUB or something similar, reset of a password is easy. Just interrupt the boot before kernel load (hit the Tab key if it really is GRUB you have there), edit the kernel load line, and add the following to the very end:

init=/bin/bash

Then boot that kernel load line (F10 in GRUB) and the machine will come up in single-user ‘bash’ shell, and you can run ‘passwd’.

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The Davidic User Profile Lesson
article #997, updated 825 days ago

The amazing David Lewis recently discovered something very close to unbelievable. A user profile on a PC — not a user, not a PC — had full administrative rights to a folder on a server on the domain, where the user was explicitly denied such rights. Deletion and replacement of the user profile, eliminated the problem.

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Check yourself to see if your accounts are compromised
article #796, updated 1387 days ago

A well-recommended site:

https://breachalarm.com/

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New form of PC security software
article #458, updated 2365 days ago

Worth a strong look.

http://secunia.com/vulnerability_scanning/personal/

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Advanced user/password/group window in Windows 7
article #235, updated 2949 days ago

It was “control userpasswords2” in XP.  Under Windows 7, put this in the start-button search box:

netplwiz

The box you want, will come right up.  This also handles auto-login if the machine is not attached to a domain.

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