Questions tagged [iphone]

The iPhone is a line of smart phones designed by Apple Inc, running Apple's iOS mobile operating system. The first generation iPhone was released in 2007 and has followed an annual release schedule since.

Filter by
Sorted by
Tagged with
0
votes
1answer
66 views

Can one iOS app read the data of another iOS app maliciously?

I'm writing an iOS app that will store some information. Though not too confidential, I'd like to prevent other apps from reading the data, since a malicious app can then "phone home". If the user has ...
0
votes
2answers
169 views

How much of a security risk would the apps on my iPhone pose if I did my banking on iPhone?

I have a bunch of different apps on my iPhone 7 (iOS v.12.4.1). Some of these are made by large companies such as Amazon, McDonalds, and so on. There are also some that have been made by perhaps a ...
1
vote
0answers
33 views

How much entropy does Apple Touch ID sensor read fingerprint has?

Iphone uses by default 6-digit PIN that has an entropy of 19.93 bits When iPhone processes the fingerprint, how much entropy does it have? How long should standard passphrase be until it is as ...
0
votes
0answers
62 views

Is it possible to run jailbroken iPhone simulator to research iOS security?

I've read the Google ProjectZero's series of iOS exploits: https://googleprojectzero.blogspot.com/2019/08/a-very-deep-dive-into-ios-exploit.html I wish to try and replicate some of their work. ...
3
votes
0answers
105 views

Do modern operating systems still send targeted or directed Wi-Fi probe requests that contain SSIDs?

Do modern (versions of) operating systems, primarily Android and iOS on mobile, still send targeted or directed probe requests when searching for Wi-Fi networks to connect to? Such targeted or ...
1
vote
0answers
71 views

can a malware for iphone survive to hard reset?

My question is about a malware on the device Iphone 6s. Can a malware on Iphone survive to an hard factory reset ? The malware would be installed from the shop where I bought it.It's a second hand ...
48
votes
2answers
9k views

“This used to be my phone number”

I added a new phone line and someone called claiming to be the previous owner of the phone number. He requested that I forward information a text message (He wanted me to forward 2 Factor ...
73
votes
11answers
14k views

How to securely dispose of a smartphone?

How to dispose of a smartphone (it's an iPhone 5) at home? I was reading through this SE site questions and found this one which hardly applies here. Besides, I'd want to do it so that: It's not ...
2
votes
0answers
109 views

Hacked iCloud account: how can I protect my iPhone security?

My iCloud account has been hacked. I access links sent by hackers that compromise my iCloud account. The hackers don't have physically access to my phone, the compromised links are sent by them ...
1
vote
2answers
208 views

How to completely destroyed all data from an iPhone before reselling it?

I would wish to know more about how to erase 100% data of a used iPhone. Basically, technician from Apple Store only said “Erase & Clear” within the iPhone setting could do all the work perfectly ...
-1
votes
1answer
147 views

Do iPhones send signals with IP address even after it has been turned off?

My phone is gone and unfortunately it was turned off before I lost it. Is it possible for me to track it down with my IP address that I have saved? Because I read some articles that say that your ...
1
vote
1answer
152 views

Consequences of trusting a PC from my iPhone

I just trusted my work PC (Windows 10) from my iPhone. I connected the phone via USB to charge it. I didn't open my iPhone 6 files from the PC. I didn't view any pictures and I unplugged it pretty ...
0
votes
1answer
162 views

Is it possible to install a hardware key logger in iPhone?

I took my iPhone to a repair shop today to get the broken screen repaired. It was not an Apple shop but typical kiosks you see in shopping malls. Post the screen install things work fine but I am a ...
1
vote
1answer
191 views

Getting called from hidden caller ID, what are the dangers if I answer?

My girlfriend has been getting calls on her iPhone from a hidden caller ID for several days in a row now. She has not answered any of them because we figured it can't be anything good if it's hidden. ...
0
votes
0answers
29 views

iPhone low battery notification [duplicate]

I was in the process of sending an email and while it was in sending status, I got the “low battery” iPhone notification pop up My concern is did it interfere with the email being sent ? I checked ...
0
votes
0answers
24 views

Does low battery notification on iPhone mess up or interfere with any processes currently going on [duplicate]

I was sending an email and while it was in sending status, the low battery notification popped up and that made me worried and paranoid because I wanted everything to go smooth as it was an important ...
0
votes
1answer
226 views

Is it possible to intercept Airdrop data transfer be intercepted?

If I am logged into a school WiFi and I airdrop a photo to someone can the school see what I airdrop? Or what I am searching using their WiFi?
1
vote
0answers
119 views

Can mobile service providers use my iPhone's microphone to listen even when I'm not on a call?

So is this technically possible? Basically can the service provider somehow hack into my phone and use the microphone to hear the surrounding of my phone if they somehow have a backdoor/malicious code ...
0
votes
0answers
109 views

Confidential phone recording ended up in my voicemail - how?

I received a voicemail on my iPhone of a recording from an organization I am not in any way affiliated with. The voicemail is a recording of the organization's representative and another party with ...
1
vote
2answers
156 views

What is technically different from iPhone/iOS to Android phones when it comes to data privacy?

Historically Apple never shows up at CES, and this year they put up the following ad close to the convention center: There is always this argument that Apple has better privacy policies in it's ...
2
votes
2answers
262 views

How to securely destroy old cellphone, to avoid personal data recuperation?

While cleaning I've found an old cellphone. This phone does not turn on, and I'm not sure if contains personal data. I would like to throw away this phone, but I'm concerted if this data can be ...
1
vote
0answers
61 views

What are the security implications of using an iPhone purchased in China

I recently bought an iPhone off Craigslist, but It's come to my attention that the phone was purchased by it's original owner in China (The model no is: A1528). Are there any security implications if ...
2
votes
0answers
376 views

Can an iPhone run two operating systems?

I'm looking for something similar to Virtualbox, but in iOS where each system would be isolated. The content in the virtual environment shouldn't be detectable by the host. (Not restricting answers to ...
1
vote
0answers
84 views

Email login bug, is it a security concern for email users?

(The name is vague on purpose because I'm not entirely sure how bad of an issue this is or if it is well known yet and I don't want to accidentally leak some kind of major breach type thing) Scenario:...
1
vote
1answer
174 views

How does one protect an iPhone against Grayshift hacking?

Grayshift claims that USB restricted mode does not make a difference, so how do people protect against Grayshift?
1
vote
2answers
212 views

Can my company see the contents on my iPhone if I used my work email on it?

I'm temporarily employed at a company and I needed to send a quick email to one of my coworkers yesterday explaining that I was going to be late for my shift. I couldn't reach them by phone and didn’...
1
vote
1answer
263 views

Feasibility of persistent iOS malware which survives factory reset

Generally speaking, when an iOS device is purchased, it will be a couple of security updates behind the latest version of iOS. This means that in many cases, out of the box an iOS device will be ...
1
vote
1answer
145 views

Checking for installed background processes in my phone [closed]

I came from Russia recently. The security officer asked me to open my phone. When I handed it over to them, I saw there was a black screen with Russian writing on my phone when the officer was ...
0
votes
1answer
159 views

Can malware transfer itself between iPhone and Windows laptop? [duplicate]

I have an iPhone which I suspect was hacked. So, I have restored the iPhone using iTunes on my computer. When connecting my phone to my computer, can any spyware files transfer from the phone to my ...
-4
votes
2answers
144 views

My iPhone 6 was stolen along with my router from my home

The router was a secondary one that was no longer being used. The person who did this is my ex-friend/roommate so the wifi password was also known. With me being confused as to what was going on at ...
0
votes
3answers
1k views

If you phone is seized, can you erase sim or stop them from cloning?

If your phone (for example, an iPhone) gets seized by the police, do they have sufficient technology to copy sim card (or any data) even if you cancel you provider and put phone in lost mode? If so, ...
66
votes
10answers
20k views

Should I be concerned about strange, new iPhone app appearing after repair?

I had my iPhone battery replaced in a phone repair shop. After collecting it, I noticed that there is a strange new app installed, some "Chinese" web browser. It has no alphanumeric name and nothing ...
4
votes
1answer
3k views

Sent and Received text messages that I didn’t send or receive

I reviewed my usage detail for my iPhone 6S today online and it shows 3 texts sent from my phone late at night and shortly thereafter it shows that I received four, which I never did. I contacted ...
2
votes
3answers
553 views

iPhone passcode security

With iOS 11 I was compelled to switch from two-step-verification to two-factor-authentication. This has the implication that somewhere at Apple there is some blackbox that can decide, using my AppleID ...
0
votes
1answer
96 views

Iphone text mystery [closed]

A supervisor at work sent a message to a co-worker and me, asking if either one of us would be available to come in early the next day. I waited about 2 minutes after hearing the text indicator go off ...
1
vote
1answer
2k views

How does iOS screenshot prevention (ScreenShield by Confide) work under the hood?

Official blog: https://blog.getconfide.com/introducing-screenshield-ios-screenshot-prevention-for-confide-and-beyond-692bbae2c31d More coverage: https://9to5mac.com/2018/01/10/confide-messenger-...
1
vote
1answer
194 views

How is this iphone VPN app working?

I am using an iphone app called tunnelbear. I was wondering if my ISP gets to see my network traffic (aka the URLs I am visiting) when I am using the VPN. I did a small experiment using Paros ...
80
votes
2answers
10k views

Can phone apps read my clipboard?

Via Hacker News, I came across a Tweet implying that Facebook's iOS app routinely reads and transmits all content from the user's pasteboard. Leaving aside whether Facebook's app genuinely does this (...
1
vote
0answers
385 views

How can I decrypt my iphones nand flash memory if I have the pin but phone won't turn on? [closed]

Is there some sort of device I can plug my nand flash chip into and then input my pin and get my old notes and things back?
6
votes
3answers
292 views

Why does Apple require your passcode when you restart? [duplicate]

On an iPhone or iPad, you can set up "Touch ID", which is a way to unlock your device using your fingerprint. I don't see why this wouldn't be much more secure than a passcode lock, as anyone can ...
7
votes
1answer
1k views

Did iOS 11.1 fix KRACK for only iPhone 7 and newer?

This security article from Apple says that 11.1 fixes the KRACK vulnerability for iPhone 7 and newer devices. But what about the older devices? Has Apple not fixed them or does the vulnerability not ...
1
vote
3answers
637 views

Restrict mobile phones to specific Access Point (WIFI Router)

Is it possible to restrict the access of android phones, iphone, and MS phones and tablets to a specific AP? I want the corporate mobile device to only be able connect to one specific AP (the ...
3
votes
2answers
205 views

Why doesn't Apple prevent iPhone jailbreaking by encrypting iOS and installing it on an independent chip?

Why doesn't Apple prevent iPhone jailbreaking by encrypting iOS and installing it on an independent chip? With this I mean iOS will be encrypted with AES or any other very strong encryption algorith ...
1
vote
1answer
110 views

How do iOS 11 apps identify me despite app reinstalls?

I've recently reinstalled Pinterest on my iPhone and noticed I was logged in right from the start without even asking me for my username/password, so it must've somehow kept some data on my phone ...
-2
votes
3answers
550 views

Is it possible to jail break a iphone without knowing passcode/touchid?

If a hacker steals my phone and does not know my passcode/touch id.. will it be possible for him to jailbreak my device and access all my data? particularly data in keychain?
5
votes
2answers
966 views

Is my data secure if my iPhone is locked?

I've probably a simple question, but could not find a (detailed) answer on the internet yet. If my iPhone is locked (i.e. with TouchID or a PIN), is my data secure? So, can hackers or law enforcement ...
9
votes
1answer
672 views

Is Apple Face ID a good security feature?

This paper demonstrates how face liveness detection could be easily defeated by virtual models built from your public photos. If you consider the instagram/snapchat phenomenon where users post ...
3
votes
0answers
69 views

Do iPhones contain a cryptographically secure authentication mechanism?

Firstly is it true that iPhones have a trusted execution environment that can be used to protect asymmetric key pairs for which the private portion of the key cannot be exported by any means other ...
-1
votes
2answers
76 views

securely restoring iPhone from backup

Let's say you have an iPhone. Someone else gets physical control of the phone, successfully logs in, installs a backdoor that lives inside any local restore functionality (e.g. if you used the phone's ...
2
votes
1answer
227 views

Found my iPhone 6 somewhat open (possibly right after airport security), what (if anything) might have been done to it?

I was traveling by air very recently, and once I got home I noticed that the button on my iPhone 6 seemed to be more deeply recessed. After a while I realized that this did not make any sense ...