June 27, 2023
Good morning, everyone!
This week’s critical vulnerabilities:
Patch All the Things! |
Let's look at "Respond"
Following my theme of the five core functions of the NIST Cyber Security Framework (CSF), this week I want to talk a bit about the next core function, Respond. How do you respond to a potential cyber security incident?
Since the most common incident is accidentally installing malware on your computer, I'll address that.
Recognize the signs. The most common signs that you may have malware include:
- Suddenly the device is running much slower than usual
- Hard drive and/or fans start running, or running high, for no apparent reason
- Inexplicable noise (talking or music)
- A popup box that flashes and quickly disappears
- An attachment or link that won't open or appears to do nothing
Respond quickly. If any of these things occur, especially just after opening an email or while surfing the web (including social media apps, not just the browser), follow these steps:
- Disconnect the device from the Internet. If it has an ethernet cable, unplug that. If it's on wireless, turn off wireless. If you can't turn it off, and if you have physical control over the wireless access point, unplug that. The important thing is to cut off the malware's connection to the Internet, and to isolate the potentially-infected device from other devices on the network. (Note: If you cannot disconnect the device, turn it off. Pull the power cable if necessary. But this only the LAST RESORT if you are unable to disconnect it, and only after step 2 below.)
- Take a picture of the screen.
- Send the picture to your tech support person.
Stay cyber safe this week!
Remember, you can read past editions of this newsletter on our website, along with tons more information under the Resources tab.
Glenda R. Snodgrass
grs@theneteffect.com
(251) 433-0196 x107
https://www.theneteffect.com
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