27d • General discussion
Cyber security - some basic steps
Hey everyone,
A quick post about cybersecurity and some basic steps you can take to improve online security for yourself or your business. Nothing is completely safe, but you can help mitigate the risk.
Password Managers
Keeping track of passwords is hard, and reusing the same password (or slight variations of it) is asking for trouble. If a site you use gets hacked and the company hasn’t stored your password securely, hackers will often try that password—or variations of it—on other major sites like Amazon, LinkedIn, or Facebook.
A password manager helps reduce this risk by storing all your passwords securely. You only need to remember one very strong master password, and the manager will generate and store unique passwords for every site you use. The big advantage here is that if one site gets hacked, your other accounts stay safe.
I personally recommend 1Password (https://1password.com/), but there are other good options too. 1password has a great sharing tool to share passwords between employees, family and when someone needs temporary access e.g. via email to share confidential documents.
Two-Factor Authentication (2FA)
The next step is to turn on two-factor authentication whenever possible. With 2FA enabled, even if your password is stolen, an attacker would still need your second factor (like the app code) to log in. If someone tries to break in, you’ll see the attempt and can deny it—giving you time to change your password before damage is done.
Ideally, use an authenticator app (such as Microsoft Authenticator or Google Authenticator), or an Yubico key (https://www.yubico.com/), instead of SMS, since text messages can technically be hijacked through SIM-swapping (though it’s less common).
Business Domain
If you own a business, make sure you know who controls your domain name and that it’s secured with a strong, unique password and 2FA.
Wi-Fi
Avoid connecting to public Wi-Fi whenever possible. A personal hotspot is safer. If you do need to use public Wi-Fi, consider a VPN service such as ProtonVPN https://protonvpn.com/.
Home Router
Your home (or office) router is a critical piece of security. Always use a strong, unique password for it. Ideally, buy your own router instead of relying on your internet provider’s default one, and enable 2FA if supported. Use your ISP’s box only as a modem.
Laptop/Desktop
Both Mac and Windows have built-in encryption tools (FileVault on macOS and BitLocker on Windows). Turning these on ensures that if your laptop is ever lost or stolen, the data on the hard drive can’t be accessed without your password. Without this the hard drive and removed easily and data extracted.
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Cyber security - some basic steps
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