Personal Cyber Security

Ido Green - Mar 21 '23 - - Dev Community

In today’s digital world, it’s more important than ever to ensure that your personal cyber security is up to date. With the ever-growing number of threats on the internet, it’s essential to take the necessary steps to protect yourself and your data.

The first step in protecting yourself is to be aware of the threats that exist. The second step is to use the right tools to protect yourself. There are many different types of cyber threats, such as malware, phishing, and ransomware.

Malware

Malware is malicious software that can be installed on your computer without your knowledge. It can be used to steal your personal information or to damage your computer.

Understanding the Different Types of Malware and How to Prevent Them

Malware can come in many forms, including viruses, worms, spyware, and adware. Each type of malware has a different purpose and can cause different levels of damage to your computer.

To protect yourself from malware, it’s important to understand the different types and how to prevent them.

Viruses are malicious programs that can replicate themselves and spread to other computers. They can be used to delete files, corrupt data, and even steal information. To protect yourself from viruses, it’s important to install antivirus software and keep it up to date.

Worms are malicious programs that can spread from computer to computer without any user interaction. They can be used to delete files, corrupt data, and even steal information. To protect yourself from worms, it’s important to keep your computer up to date with the latest security patches and to use a firewall.

Spyware is malicious software that can be used to monitor your activity and steal your personal information. To protect yourself from spyware, it’s important to use an anti-spyware program and to be careful when downloading files from the internet.

Adware is software that can be used to display unwanted advertisements on your computer. To protect yourself from adware, it’s important to use an anti-adware program and to be careful when downloading files from the internet.

Phishing

Phishing is when someone sends you an email or a message that appears to be from a legitimate source, but is actually from a malicious actor. They may be trying to get you to click on a link or to enter your personal information.

Tips for Identifying and Avoiding Phishing Scams

Phishing scams can be difficult to identify, but there are a few key indicators that can help you spot them.

First, be suspicious of any emails or messages that ask for personal information or login credentials. Legitimate companies will never ask for this information in an email or message.

Second, check the sender’s email address. If it doesn’t match the company’s official address, it’s likely a scam.

Finally, be wary of any emails or messages that contain spelling or grammatical mistakes. Legitimate companies will always proofread their emails and messages before sending them out.

If you suspect you’ve received a phishing scam, do not click on any links or enter any information. Instead, contact the company directly to verify the legitimacy of the message.

Ransomware

Ransomware is when malicious actors encrypt your data and demand payment in order for you to regain access.

How to Protect Yourself Against Ransomware Attacks

Ransomware attacks can be devastating, so it’s important to take the necessary steps to protect yourself.

The first step is to ensure that your computer is up to date with the latest security patches. This will help protect against known vulnerabilities that could be exploited by malicious actors.

Second, it’s important to use strong passwords and to never reuse them across different accounts. You should also use two-factor authentication whenever possible.

Third, it’s important to back up your data regularly. This will ensure that you have a copy of your data in case you are targeted by a ransomware attack.

Finally, it’s important to be aware of any suspicious emails or messages that you receive. If you suspect that a message is malicious, do not click on any links or enter any information.

By following these steps, you can help protect yourself against ransomware attacks.

Passwords and 2FA

The next step is to take the necessary steps to protect yourself. This includes using strong passwords, enabling two-factor authentication, and using a reliable antivirus program.

Strong passwords should be long, complex, and unique. Two-factor authentication adds an extra layer of security by requiring you to enter a code that is sent to your phone or email before you can log in. An antivirus program can help detect and remove malicious software.

However, even the strongest, most sophisticated password can be useless if it’s exposed in a security breach (check Have I been Pwned? to check if you’ve been exposed and set up free monitoring alerts). And if you use the same password for multiple logins, a single breach can cause you a massive headache. This is why password managers are becoming a standard practice. They will help create a unique hard-to-decipher password for every site/login and you only have to remember one master password.

The Pros and Cons of Using Two-Factor Authentication

Two-factor authentication (2FA) is an important security measure that can help protect your data and accounts from malicious actors. While it can be an effective way to protect your information, there are both pros and cons to using 2FA.

Pros

The first and most obvious benefit of 2FA is that it adds an extra layer of security to your accounts. By requiring a code to be entered in addition to your password, it makes it much more difficult for malicious actors to gain access to your information. Another benefit of 2FA is that it can help protect you from phishing scams. By requiring you to enter a code that is sent to your phone or email, it makes it much more difficult for malicious actors to gain access to your account.

Cons

The main disadvantage of 2FA is that it can be inconvenient. It requires you to take an extra step before you can log in to your account, which can be time-consuming. Another potential downside of 2FA is that it can be vulnerable to social engineering attacks. If a malicious actor can convince you to give them access to your phone or email, they can gain access to your accounts.

Overall, two-factor authentication is an important security measure that can help protect your data and accounts from malicious actors. While it can be inconvenient and vulnerable to social engineering attacks, the extra layer of security it provides is worth the effort.

Public Wi-Fi networks are risky

It’s also important to be aware of the risks associated with using public Wi-Fi networks. When using public Wi-Fi, it’s important to make sure that the network is secure. You should also avoid using public Wi-Fi to access sensitive information, such as banking or credit card information.

Best Practices for Keeping Your Data Safe While Using Public Wi-Fi

When using public Wi-Fi, it’s important to take the necessary steps to keep your data safe.

First, make sure that the network is secure. Look for the “https” in the address bar, as this indicates that the connection is encrypted.

Second, avoid using public Wi-Fi to access sensitive information, such as banking or credit card information. If possible, use a virtual private network (VPN) to encrypt your data.

Third, be aware of the risks associated with using public Wi-Fi. Malicious actors can use public Wi-Fi networks to intercept your data, so it’s important to be vigilant.

Finally, make sure that you are using the most up-to-date version of your web browser. This will help protect you against any known vulnerabilities.

Tools

Easy ways to protect the devices you use to minimize your risk of exposure.

  • Computer : Ensure your encryption is turned on on your computer or laptop. If you have a Mac, you can use FileVault. And for PCs, you can enable it in the device encryption settings.
  • Phone : Set up a PIN and passphrase that will automatically erase after multiple failed attempts. When your phone is locked, prevent notifications that may contain private information from showing up while the phone is locked and disable automatically connecting to new USB devices.
  • Internet : I don’t trust internet service providers (ISPs) to not sell my data, so I always recommend changing DNS from using the one provided by your ISP. But on top of being more secure, using another DNS like Cloudflare 1.1.1.1 is much faster.
  • VPN : Since most traffic is now happening over HTTPS, you probably don’t need to worry about someone stealing your credentials or reading your emails, when you’re using public wifi. However, the owner of the WiFi and their ISP will see the domains of the sites you’re visiting, so if you want a bit more privacy, you should use a VPN like ExpressVPN. This is especially important when traveling internationally, where many countries have much less restrictive data privacy laws.
  • Use Brave as your browser and/or install an Ad Blocker
  • Ad Blocker – There are a lot of ad blocker chrome extensions (like uBlock Origin) that will prevent ads from seeing info about you. Another option is to use Brave (the browser) that includes an ad blocker by default.
  • Email : Set up dedicated emails for social media and financial institutions that you don’t give out to anyone. If you ever receive a link to login to a site you have an account at, please be very careful and look at the entire URL (there are so many tricky ways to make it look authentic, like opening a new window for mail.google.com.[something else].com that’s so small you only see the mail.google.com). Better yet, instead of clicking any of the links to site logins, just go to the site yourself.

In conclusion, there are several steps you can take to protect yourself from malicious software and phishing scams. First, keep your computer up to date with the latest security patches. Second, use strong passwords and two-factor authentication whenever possible. Finally, be aware of the risks associated with using public Wi-Fi networks and use a VPN when accessing sensitive information.

It’s a dangerous world out there – Be safe!

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