Collaborate Disseminate
My goal is to make one of my android phones as secure as possible, hence the question: What is the most secure way for an Android phone to gain internet access? Options I (think I) have:
The phone has it’s own physical sim card. Threat I … Continue reading What is the most secure internet access option for Android phones?
A sim-pin safeguards against sim-swapping, which is the primary advantage of using an authenticator app instead of SMS, is this not so?
Continue reading Is a 2fa app really better than SMS 2fa with sim-pin?
Instead of having a landline at each employee’s desk, allow them to add an eSIM to a compatible personal cell phone. (If possible, disable SMS for the added eSIM so it is acting as a replacement for the desk phone.)
Unmanaged phones are of… Continue reading What are the pitfalls of adding a corporate eSIM to an unmanaged employee device in lieu of land-line phones?
I’m aware that SIM cards can store malware according to this question but what equipment would be needed to do such an attack? For example, would you need a Computer and a SIM card reader or could it get infected from a normal Android phon… Continue reading What equipment would an attacker need to infect a SIM card?
Background
A customer complained to a mobile phone company that they were receiving messages that were leaving the screen turned on until it was noticed by the customer (usually many hours) by which time the battery was almost completely d… Continue reading How much of a security threat to the PC is a SIM card running applets when plugged into a USB modem?
Suppose that there only exists two mobile service providers in a given country; provider A, and provider B. Let’s assume that some user on A’s network loses her phone and calls the service provider, A, to block the IMEI of the lost phone. … Continue reading If one mobile service provider blocks a certain IMEI from using its network, will the same IMEI work with another mobile service provider? [closed]
My research:
I found this security stackexchange post but it didn’t answer my question.
I know that you can do similar things using astresik with voip provider.
I came up on o blog that explain that sim card is computer ect.. link
But can … Continue reading How can you spoof you caller id but not using a voip (your carrier instead)?
In many countries, for example, Russia where I live, you need to show an ID to obtain a SIM card. Often this is used by law enforcement to track people. Sometimes corrupt officers sell people’s location data for couple hundred bucks (imagi… Continue reading Avoiding carrying my main SIM card
If I use Google Authenticator for Coinbase, and someone sim-swaps my phone number and gains full access to my email account, can they drain my Coinbase account?
They would be in control of my email, sms, and phone calls.
Continue reading Will Google Authenticator stop a sim-swap attack from compromising my Coinbase?
Is it possible to obtain sim card information and number of SIM card from IMEI?