Hello! This is Shemhaza, the Sentinel. The internet is a convenient and enjoyable place, but unfortunately, there are also malicious individuals targeting your 'valuables.' Today's topic is 'two-factor authentication,' which protects your valuable online assets and personal information. In an era where passwords alone are no longer enough, let's learn together how to secure your accounts with a double lock!
Why is 'Two-Factor Authentication' Necessary? Reasons Why Passwords Alone Are Insufficient
The services you regularly use, such as social media, online shopping, and bank accounts, all require a 'password' to log in, right? But what would happen if that password fell into the wrong hands?
- ▸① If your password is exposed in any way, malicious actors can easily 'impersonate' you and log into your account. If you reuse passwords, revealing one could put all your services at risk.
- ▸② If your account is hijacked, there's a risk of your personal information (such as address and phone number) being stolen, messages being sent to your friends under your name without your permission, or false rumors being spread on social media.
- ▸③ Even more frightening is 'financial damage,' where online banking or shopping accounts are hijacked, and your money is spent without your authorization.
To prevent such damage, 'two-factor authentication' adds another layer of identity verification beyond just a password. It's like putting an additional lock on your door after locking it once. This way, even if your password is exposed, malicious actors won't be able to get in without that second key.
What You Can Do Now! How to Strengthen Your 'Online Keys'
Many web services allow you to easily set up two-factor authentication. Let's start by setting it up for your most important services!
- ✓Check if 'two-factor authentication' (or 'two-step verification') can be set up for the services you commonly use, such as social media, email, online banking, and online shopping.
- ✓When setting up two-factor authentication, consider using an 'authenticator app' (like Google Authenticator) in addition to receiving codes via SMS. Authenticator apps often offer higher security.
- ✓When changing smartphone models, check in advance with the service's help documentation to ensure a smooth transfer of two-factor authentication settings to the new phone. If you're using an authenticator app on an old phone, a transfer process might be necessary.
- ✓If you receive an unknown email or message stating 'We've sent you an authentication code,' and you don't recall requesting it, never enter that code. It's highly likely that malicious actors are trying to steal your information.
- ✓Periodically review your two-factor authentication settings to ensure your security remains up-to-date.
Where to Seek Help When You're in Trouble
If you suspect you've been a victim of online fraud or your account has been hijacked, please seek advice immediately. It's important not to worry alone, but to rely on trustworthy sources.
You can consult the Consumer Hotline '188' (no area code required) for consumer troubles such as malicious business practices. Additionally, you can consult the Police Consultation Hotline '#9110' for crime victim support and other concerns. If you notice unauthorized use of your credit card, immediately call your card company to initiate the suspension process.