does a sim card number or phone hackable? but how?
Yes, SIM cards and phones can be hacked through several methods:
1. **SIM Swapping (SIM Hijacking)**: Hackers use social engineering to convince mobile carriers to transfer a victim's phone number to a new SIM card controlled by the attacker. This allows them to intercept two-factor authentication codes and access sensitive accounts[1][3][5].
2. **SIM Cloning**: Hackers gain physical access to a SIM card, extract its data using specialized hardware, and create a duplicate SIM. This lets them intercept calls and messages intended for the original user[1][3].
3. **Over-the-Air (OTA) Attacks**: Malicious SMS messages exploit vulnerabilities in the SIM card's firmware, allowing hackers to execute commands or install malware on the device[1].
4. **Encryption Key Theft**: Intelligence agencies have been known to steal encryption keys from SIM manufacturers, enabling them to decrypt intercepted communications like calls and texts[2].
Citations:
[1] 3 Common SIM Card Hacks and How To Avoid Them | Global YO https://www.globalyo.com/3-common-sim-card-hacks-and-how-to-avoid-them/
[2] US and UK accused of hacking Sim card firm to steal codes - BBC https://www.bbc.com/news/technology-31545050
[3] Can SIM Cards Get Hacked? - UpGuard https://www.upguard.com/blog/can-sim-cards-get-hacked
[4] 3 Ways Your SIM Card Can Be Hacked - YouTube https://www.youtube.com/watch?v=NwxhDSzewbI
[5] Guarding Your Digital Fortress: Learn about SIM Fraud Attacks https://www.qub.ac.uk/directorates/InformationServices/Services/Security/cs-knowledge-base/sim-fraud/
[6] How Do Hackers Hack Phones and How Can I Prevent It? - McAfee https://www.mcafee.com/blogs/family-safety/how-do-hackers-hack-phones-and-how-can-i-prevent-it/
[7] View of Contentious expertise: Hacking mobile phones, changing ... https://firstmonday.org/ojs/index.php/fm/article/view/11512/11140
[8] What is SIM swapping & how does the hijacking scam work? https://www.microsoft.com/en-us/microsoft-365-life-hacks/privacy-and-safety/what-is-sim-swapping