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.

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44 views

Is Apple's default Privacy settings GDPR compliant?

I recently realized that some apps were able to "link" my identity to Facebook. I checked my off facebook activity and could see some apps that I've never given my email. Investigating further, I ...
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65 views

Biometric authentication against server

I'm working on an iOS app whose login system does not seem entirely secure but I don't know enough to be sure. Skipping account creation, the first time the user logs in they send their user and ...
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108 views

Is it safe to browse the internet with unpatched iPhone with iOS 13.1.3?

I am using unpatched iPhone that has IOS 13.1.3 installed. Apple released IOS 13.1.3 15 Oct 2019. Are there any vulnerabilities for IOS 13.1.3's safari that are currently being exploited in the wild?...
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113 views

Attack that stops internet access for several minutes

I have a question that might sound a bit weird: A friend of mine (Person A) is being attacked by a former friend (Person B) and now person A asked me for help. Person A and Person B know each other ...
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Sudden excessive recent pop up of Apple ID password & profile on iPhone? Any widely known security Concerns?

Sudden excessive recent pop up of Apple ID password & profile on iPhone? Any widely known security Concerns? I've not had any such pop ups for long time, ever. It's usually not out of the ...
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894 views

Can someone hack my phone by sending me a file (e.g. PDF) via Whatsapp?

My work requires (and depends on) Whatsapp for daily sharing of files with many people (PDF, PowerPoint, Word, Images, Web links...), and I was wondering if it is possible that someone can hack our ...
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158 views

How could a mobile banking app be hacked?

My phone got stolen, and sent back to where it was stolen a day after. At the moment of stealing, the phone was locked. When I received it back, there was no money left in my bank account. The ...
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1answer
54 views

Is it a good (or not harmful) idea to allow employees to use their company phones privately?

As I try to come up with company regulations for IT security, the question arose if employees can use their company provided iPhones 8 for personal matters. Specifically they want to install spotify (...
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55 views

A recieved text message that was never sent on iPhone [duplicate]

My girlfriend asked me why I texted her at 2:30 am. But I went to bed at 2am and that message was not recorded on my phone. She had an iPhone and I have a Samsung Galaxy S9. She sent me a picture of ...
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61 views

Effective ways to hide your IP address and Device Information from apps on Mobile? [closed]

How can you make sure site admins are not able to get information like your IP, Browser, Device, etc?
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29 views

How can I setup 2fa on iphone with 1 phone? [closed]

When setting up my refurbished iphone se, it wants a phone # for 2fA... I have one phone. It's not sitting on a desktop, I carry it with me places. The other option is to not use 2FA, which it ...
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79 views

Anti-Theft Mobile CPU

The newest Android phones use the Qualcomm Snapdragon 855 chipset with its TrustZone/TEE. The Android OS makes sure that a stolen phone, in its assembled form, is not usable. Does Trustzone further ...
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1answer
83 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 ...
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176 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 ...
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56 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 ...
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72 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. ...
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142 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 ...
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84 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 ...
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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 ...
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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 ...
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0answers
118 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 ...
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2answers
301 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 ...
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1answer
148 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 ...
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1answer
164 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 ...
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1answer
163 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 ...
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1answer
502 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. ...
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31 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 ...
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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 ...
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1answer
317 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?
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126 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 ...
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157 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 ...
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2answers
192 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 ...
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2answers
328 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 ...
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68 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 ...
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416 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 ...
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86 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:...
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179 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?
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2answers
395 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’...
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1answer
307 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 ...
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1answer
146 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 ...
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1answer
217 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 ...
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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 ...
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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, ...
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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
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1answer
5k 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 ...
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3answers
560 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 ...
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1answer
98 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 ...
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1answer
3k 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-...
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1answer
195 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
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2answers
11k 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 (...

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