Here are some of the best precautions which will make your tech life secure:
• Never open a file/link which is sent by a stranger.
• Never open a suspicious file/link.
• Never download an application from a third party website.
• Never open a shortened URL.
• Create a "Passphrase (12 - 15 letters)" not a "Password (06 - 12 letters)".
• Use VPN + HTTPS Everywhere.
• Always verify an email before replying or clicking on it.
• Never reply or click on a link, which is sent by a stranger.
• Check the authenticity of pop up before clicking on it.
• Check the URL of the website before entering something on it.
• Use end-to-end encrypted services.
• Never share your personal details on call/email.
• Never share your OTP.
• Do not open a file/link/app sent by a stranger.
• Never use an external device given by a stranger.
• Use an antivirus.
• Beware of fake websites.