When talking with friends over social media or emailing colleagues, your conversations should be secure and avoid prying eyes. Without robust security measures and practices, your private information could be stolen or used for blackmail attempts.
In this article, we’ll explain practical, easy ways to stay safe when communicating online and maintain privacy.
Understanding the Risks to Online Privacy
The most common threats to privacy in online communication come from cybercriminals. Phishing attacks can trick you into revealing secret information by hackers impersonating trusted contacts like colleagues, friends, or banks. Developments in AI can even mimic the voices of people you know to convince you to transfer money or private information.
If your home Wi-Fi is unsecured or you’re sending messages on a public connection, their contents will be vulnerable to man-in-the-middle attacks, where third parties can read what’s been sent. Keyloggers can record keystrokes through malware on your device or messaging software to capture your login credentials or gain remote access to devices in Trojan horse attacks.
Using Encrypted Messaging and Email Services
Choosing encrypted messaging platforms like WhatsApp will protect your messages from unauthorized access, ensuring only you and the receiver can read them. The platform uses algorithms to convert the messages into unreadable ciphertext using a secret key. Only the recipient with the matching key can decrypt the ciphertext and read the message.
In addition to messaging friends and family on privacy-focused social media sites, an email account is essential for protecting your personal and private communications. Encryption can help you identify and avoid phishing emails and prevent malicious actors from tampering with the contents of your messages.
Creating Strong, Unique Passwords and Two-Factor Authentication
Long, complex passwords unique to each of your accounts should be your first line of defense against cyber attacks. They make it challenging for hackers to guess your login details in brute force attacks, preventing identity theft and fraud. You can use password managers to secure your login credentials in secure software, accessible via a master PIN, and spot duplicate or weak passwords.
Two-factor authentication (2FA) adds a new security layer beyond your username and password. The second verification step could be an authentication app on your phone that only you can access. With 2FA, hackers won’t be able to access your account even if they have your password.
Managing Your Digital Footprint and Privacy Settings
If you have a social media presence, there are measures you can take to reduce unwanted data exposure. Avoid posting sensitive information online, like your phone number or birthdate, and don’t publicly reveal travel plans.
You can adjust the privacy settings of social media platforms like Facebook, Instagram, X, and LinkedIn to limit who can see your posts, find you by email or phone number, message you, and turn off location sharing. You could even control who can see your profile photo and read receipts. Remember to review your privacy settings across all your platforms, as some services reset settings as they update their policies.