Two-factor authentication means an extra verification step beyond the password when logging in. Using a pop-up prompt on your phone that requires a si…
Cost
No cost involved. Each account takes just two to three minutes to set up once.
Benefit
Google analyzed 350,000 real-world account hijacking attempts. For authentication methods …
If a password you use elsewhere gets stolen, attackers can use it to log straight into your email account. Once they gain access to your email, they c…
Cost
No cost involved. Storing it in a password manager eliminates the need to memorize it. The…
Benefit
Credential stuffing is one of the easiest attack methods: attackers simply test stolen pas…
The SIM card is that tiny card inside your phone that receives SMS verification codes. If your phone gets lost, a finder can remove the card and inser…
Cost
No cost at all. You only need to set the screen lock and the SIM PIN once each.
Benefit
Someone finding a lost phone may move its SIM to another handset, receive SMS verification…
The order of actions matters more than speed. First, block the SIM card to cut off access to verification codes. Next, remotely lock the phone. Then, …
Cost
No cost involved. Completing all steps takes just a few minutes.
Benefit
Following the correct sequence is more important than acting quickly. Step one is blocking…
If someone fraudulently uses your card, you don’t have to prove “this wasn’t me.” Instead, it’s the bank’s duty to prove the transaction was made by y…
Cost
No cost at all. As soon as you notice anything suspicious on your card statements, immedia…
Benefit
Supreme Court rulings clearly define who must provide evidence. If you claim the transacti…
The logged-in-device list shows phones and computers that can still access an account. If unfamiliar devices or long-unused linked apps appear, change…
Cost
No cost at all. It only takes a few minutes each time. The hard part is that there’s no re…
Benefit
The device list shows current account access, while authorized apps are third-party servic…
Apps request your data. If that data isn’t strictly necessary to deliver the service, the app can’t deny you access just because you refuse to share i…
Cost
No cost involved. The hard part is resisting the urge to tap “Allow all.”
Benefit
Two key legal points apply here. First, providers may not deny products or services on the…
You have the right to demand that a company let you view, copy, correct, and delete your personal information. When a service is discontinued, its ret…
Cost
There is no cost involved. Only if the company drags its feet do you need to file a compla…
Benefit
There are several situations in which a company must proactively delete personal informati…
As long as any other method can achieve the same result, a service provider cannot force you to use facial recognition. If you decline facial recognit…
Cost
No cost involved. When asked to use facial recognition, simply ask, “Are there any other v…
Benefit
The Administrative Measures for the Safe Use of Facial Recognition Technology clearly stat…
An intermediary proxy sits directly between you and the model provider: it can observe, intercept, and modify everything you send and receive. In an e…
Cost
Direct official API access is typically more expensive than third-party relay proxies, and…
Benefit
In June 2026, the Ministry of State Security issued a cybersecurity advisory warning that …
Criminal fraudsters frequently use stolen or forged ID information to open fraudulent SIM cards and bank accounts, often leaving victims completely un…
Cost
Zero financial cost. Check SIM cards via the "MIIT Micro-Report" official WeChat account o…
Benefit
The Anti-Telecom and Online Fraud Law mandates that telecommunications authorities provide…
Once a mobile phone number is cancelled, telecommunications carriers are legally permitted to reissue that recycled number to a new subscriber after j…
Cost
Zero financial outlay. Requires migrating accounts individually to your new number, and up…
Benefit
National Telecommunications Service Specifications mandate that the minimum quarantine fre…
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