All businesses today should recognise the importance of having an effective cybersecurity policy in place. Data breaches seem to be constantly in the news. Whilst those tend to be high-profile cases like TalkTalk and British Airways, small businesses frequently suffer data breaches too. In recent years, Virtual Private Networks (“VPNs”) have become quite common for home use — so can a VPN improve small business cybersecurity?
Well, yes — but let’s cover the basics before examining the business benefits of a VPN.
What is a VPN?
A VPN is a private network (within the public internet) that enhances your online privacy by:
- Giving you a temporary IP address when you go online
- Encrypting data transfers between your computer and other online resources
- Wrapping that data inside other data to keep it even more private (called “tunneling” or “encapsulation”)
An IP address is the numeric address of your computer on the internet.… Read the rest
Cybersecurity matters. As I type, the world is facing another major ransomware attack. This has been dubbed NotPetya — because it’s like one called Petya, but not identical. As usual, it targets Windows machines. Still, a possible “vaccine” has been found in the last hour. So this is just a very quick post to help publicise that ASAP.
The vaccine, from top security site BleepingComputer, involves creating a read-only file in your C:\Windows directory. That’s easier said than done, as Windows protects that folder. So the following batch file can do it for you:
Alternatively, this post explains how to apply the fix manually. Huge thanks to WordFence for highlighting this in their excellent post here.
March 2018: Ransomware isn’t always in the news, but the threat hasn’t gone away.… Read the rest
Do you find Windows 10 slow at times? That it goes from speedy to sluggish for no obvious reason? Well, before you start worrying about malware (which used to be the most common culprit), try these quick fixes.
- Open the Command Prompt in Admin mode. You can right-click on the Start menu and choose “Command Prompt (Admin)” — or try one of these other ways to open the command prompt.
- If a “User Account Control” warning appears, click “Yes” — you do want to let this app to make changes to your device. If nothing seems to happen, check your taskbar for a new icon — this warning sometimes hides behind other windows.
- Once you see a black box with the title “Administrator: Command Prompt”, click into it and type the two following commands, one after another:
net stop "Windows Search"
net stop superfetch
You should see an improvement within seconds of these two services stopping.… Read the rest