Prerequisites for understanding Bitcoin

Online security

Getting your first bitcoins

Online security

Why Cybersecurity Matters
A clean, up-to-date computer
The solution to the ID nightmare
2FA: double protection
Protecting your privacy
Step-by-step progression

As soon as you start getting into Bitcoin, you'll quickly realize that basic cybersecurity isn't optional—it's essential. Scams and fraud are just the tip of the iceberg. Accidental data loss, malware, and compromised passwords can be just as devastating, especially when you're managing your own keys.

This chapter walks you through some simple, practical steps to level up your digital hygiene and protect yourself in the space.

If you want to go deeper, Plan ₿ Academy's SEC101 course offers a comprehensive breakdown of cybersecurity strategies specifically designed for Bitcoin users.

Update Your Online Security

Beginner

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Update password and personal data management. Create a backup, protect against hackers, and raise awareness about mass surveillance.

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Update Your Online Security

Update password and personal data management. Create a backup, protect against hackers, and raise awareness about mass surveillance.

Why Cybersecurity Matters

Bitcoin gives you the power to hold your money directly (without banks), without intermediaries. But that kind of financial sovereignty comes with serious responsibility: if your BTC gets stolen due to a security lapse, there's no way to reverse the transaction. Unlike traditional banking, there's no help desk, no fraud claim, and no insurance to bail you out.

On top of that, the financial value of Bitcoin makes it a high-value target. A hacker who compromises your wallet can instantly move your funds to an address they control (no questions asked, no way to get it back).

A clean, up-to-date computer

One of the most overlooked aspects of personal security is keeping your operating system and software up to date. Many updates patch known vulnerabilities that could otherwise be exploited by attackers. While some people avoid updates fearing performance issues, the real risk lies in running outdated software that hackers already know how to break.

It's also highly recommended to use a reliable antivirus. On Windows, the built-in Windows Defender is generally sufficient for most users. If you prefer additional features or peace of mind, commercial options like Kaspersky are also available. On macOS, malware threats are historically less common but not non-existent so it's still smart to stay cautious.

Beyond system updates and antivirus protection, be extremely wary of downloading software from sketchy websites or so-called "universal" download portals. When you need a tool or application, always go straight to the official source;This drastically reduces the risk of installing malware disguised as legitimate software. Another smart habit is to verify the authenticity and integrity of any software before installing it on your machine. If you're not sure how to do that, don't worry we've got a dedicated tutorial to walk you through the process:

GnuPGHow to verify the integrity and authenticity of software?

Finally, make regular backups of your important data. An external hard drive or SSD is a solid option for keeping a duplicate of your files in case of sudden failure, hacking, or accidental deletion. You'll thank yourself later.

If you prefer cloud solutions, consider using a secure service like Proton Drive. Just make sure whatever option you choose respects your privacy and offers strong encryption.

Proton DriveImplementing Backup

A widely recommended backup strategy is the "3-2-1 rule". It is designed to protect your data from accidental loss, cyberattacks or even natural disasters. The idea is simple:

Keep at least 3 copies of your important data,
Store them on at least 2 different types of media (e.g., an external hard drive and cloud storage),
And make sure 1 of those copies is stored off-site (physically separated from your main location).

This approach offers strong resilience and helps ensure your data survives even if something goes seriously wrong.

The solution to the ID nightmare

One of the biggest reasons people get hacked is using weak passwords. A significant number of users still reuse the same password across multiple accounts, or choose variations that are easy to guess. Password managers are the perfect solution to this problem.

A password manager lets you:

Store all your passwords securely in an encrypted vault
Generate long, complex, and unique passwords automatically for each account
Use just one master password,to access everything securely

With a password manager, you'll never have to click "Forgot password" again or rely on weak, reused credentials. Plus, most password managers sync seamlessly across your devices (desktop, phone, tablet) and even autofill login forms, making secure access both effortless and efficient.

There are many password managers out there, but I can recommend two solid options depending on your needs. If you're looking for something easy to use that syncs seamlessly across multiple devices, Bitwarden is an excellent choice:

BitwardenHow to set up a password manager?

If you rather keep everything locally on your own device, KeePass is a great option:

KeePassHow to set up a local password manager?

2FA: double protection

In Bitcoin, you're your own bank. That means you're also your own security team. Even with a strong password, there's no such thing as zero risk-which is why enabling two-factor authentication (2FA) is essential.

2FA adds a second layer of protection by requiring a time-based one-time code (usually 6 digits) generated by an app like Google Authenticator or Authy. So even if someone manages to get your password, they still can't access your account without physical access to your phone.

Authy 2FAHow to use a 2FA application?

When you enable 2FA, make sure to save the recovery key for your app in a safe place. This will let you restore your codes if you lose or change your phone. While SMS or email-based 2FA is better than nothing, it's much less secure. A SIM swap attack, where someone takes control of your phone number, can easily bypass this kind of protection.

For those looking to take security a step further, physical keys like YubiKey provide an even higher level of protection.

YubiKey 2FAHow to use a physical security key?

Protecting your privacy

Privacy and cybersecurity are closely linked: the more information you leave freely accessible, the more likely you are to become a target.

A VPN (Virtual Private Network) is a simple yet effective step to mask your IP address and encrypt your internet traffic. While it won't make you completely invisible (since the VPN provider can still see your activity), it does make it significantly harder for anyone trying to spy on you or track your browsing habits. The key is choosing a trustworthy VPN provider that:

Doesn't require your personal information
Allows payment via BTC
Has a strict no-logs policy

We have several tutorials available on Plan ₿ Academy that can guide you through setting up a VPN easily. I particularly recommend IVPN or Mullvad:

IVPNSetting up a VPN paid for with bitcoins

Mullvad VPNSetting up a VPN paid for with bitcoins

Essential steps to protect your privacy online also include:

Using encrypted messaging platforms such as Signal, SimpleX or Session;
Using privacy-focused browsers such as Firefox, Brave, or Tor (for enhanced anonymity);

Tor BrowserHow to use the Tor Browser?

Using a secure mailbox such as ProtonMail;

Proton MailSetting up a secure mailbox

Encrypting your files with tools like Bitlocker (for Windows) or VeraCrypt (available across multi-platform).

VeraCryptHow to easily encrypt a storage device?

Step-by-step progression

Cybersecurity can seem like a massive undertaking, and it's easy for beginners to get overwhelmed and give up because it seems too complex. The trick is to approach it step by step. Start with something simple, like installing a password manager. Give yourself a few weeks to get comfortable with it, then move on to the next step: like enabling 2FA on one of your accounts.

As you get more confident with these tools, you'll be ready to add more advanced practices, like using a secondary email, switching to ProtonMail, setting up a VPN, or browsing with Tor when necessary.

As you dive deeper into the world of Bitcoin, you'll notice that the risks grow as the value of your wallet increases. Building solid security habits, protecting your privacy, and setting up the right tools will not only give you peace of mind but also strengthen the sovereignty Bitcoin is all about.

In short: don't underestimate cybersecurity, take the time to set up the basics, and remember that consistency is key. Without good digital hygiene, even the best tools won't do much for you.

Also be sure to checkout our computer security tutorials on Plan ₿ Academy.

In the next chapter, I'll share a few more tips to help you get started on your Bitcoin journey with confidence; and to steer clear of the many traps that can catch newcomers off guard.

Quiz

btc1022.2

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Why is two-factor authentication recommended?