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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166
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8answers
26k views

Why can't the FBI read the key embedded in the iPhone's secure chip/ROM directly from hardware (silicon)?

As far as I understand, the 4 digit passcode is combined (in some fashion) with a key stored in secure read only memory (e.g. secure enclave chip or similar), where it is directly embedded into ...
34
votes
1answer
3k views

How did FBI/DoJ retrieve the data stored on the encrypted iPhone?

Quote from The New York Times: The Justice Department said Monday that it had found a way to unlock an iPhone without help from Apple, allowing the agency to withdraw its legal effort to ...
7
votes
4answers
2k views

How effective is iPhone 3GS and 4 device-at-rest encryption?

My primary goal is to protect Activesync-based communication from being copied or stolen from an offline device. In that context how effective is iPhone 3GS and 4 encryption?
4
votes
2answers
347 views

What data is not encrypted in iOS 8+ when “locked”

Scenario: iPhone 5+ with iOS 8+ with system encryption enabled. The phone is on and locked. (the user has authenticated (unlocked phone) at least once since power-up, and then relocked). What ...
4
votes
1answer
20k views

How to track a Spoofed SMS on Iphone

A mate pulled a quality prank on me the other day by sending me a SMS via a Spoofed number. He's bought a SMS gateway and can set the message ID/phone number to be 'God' (or whatever he wants(letters ...
10
votes
8answers
787 views

iPhone Tracking debacle - risks and countermeasures

For those of you who are not familiar with the topic, a quick search will turn up a lot of hits, e.g. see the researcher's report at Got an iPhone or 3G iPad? Apple is recording your moves - O'Reilly ...
8
votes
2answers
2k views

Is iPhone's fingerprint signature a one-way hash?

I've been considering the security of the iPhone 5S fingerprint feature. My main concern is, not that someone could replicate my fingerprint in the physical world and bypass the phone, however that ...
0
votes
3answers
1k views

What footprint iOS or Android App leaves? and how to change it

I've read some place that each phone and/or sim leaves some kind of footprints when it uses a social app (Google, Instagram etc.). I would like to stay anonymous or at least blend in with the crowd. ...
11
votes
2answers
2k views

Snowden: “The NSA can remotely turn on your iPhone.”

Watching the Snowden interview last night, Brian Williams asks him what degree of control the NSA has over smartphones -- in particular, whether or not they can remotely turn them on in order to ...
9
votes
1answer
1k views

iPhone 5/6 RAM security

I'm interested in how the RAM can be exploited in iPhone 5+, iOS 8+. I've previously discussed general iPhone encryption and from the response it reads: There are many exploits over the years ...
6
votes
2answers
1k views

Apple vs DOJ - how strong is the 10-try wipe brute force barrier?

Out of curiosity and with the hope of helping other beginners and journalists. The current Apple vs DOJ standoff in a nutshell - Apple is resisting DOJ with statements like what they're asking is ...
11
votes
5answers
2k views

Best practices for securing an iPhone

As this question on voicemail protection got answers veering more to protecting the mobile phone, I thought I should add a specific question on this topic. There is already a question on protecting ...
3
votes
2answers
1k views

IPhone iOS 8.3 encryption security against physical access

NB: While you are free to answer this question, there is a more specific discussion here Excerpt from Apple's Whitepaper "iOS Security" on Effaceable Storage: A dedicated area of NAND storage, ...
6
votes
3answers
401 views

Are there guidelines for application design of HIPAA compliant browser applications?

This is a different twist - I'm pushing dispatch information to first responders, such as fire, police, and EMS. But they all could, potentially, include medical information and PII together. My goal ...
6
votes
2answers
5k views

iPhone full disk encryption and theft protection?

Is it possible to fully encrypt an iPhone? What cipher does it use and are there any weaknesses? How can I protect my valuable data, such as email, when my iPhone gets stolen?
3
votes
3answers
601 views

How can the NSA remotely turn on your iPhone?

If the iPhone is actually off and not in sleep mode, how can it be remotely turned on if no software is running and network communications aren't even activated until the device boots?
2
votes
3answers
1k views

Security of email sent/received on iPhone via Mail app

In regards to the default Mail app on iOS 8, setup with various mail accounts gmail, outlook etc. Are emails sent/received to/from the phone securely, if so, how? Can someone who is snooping on the ...
0
votes
1answer
184 views

Why IOS on IPhone cannot be brute-forced programatically? [duplicate]

I am interested in the recent Apple case where FBI wants to get access, but they say it's not technically possible other than creating a new OS (or I guess just modifying the existing one). More ...
3
votes
1answer
437 views

How is Facebook accessing my iPhone texts in order to recommend friends?

I have noticed that Facebook has been recently recommending people who have texted me. It has been able to connect their number (I believe most of these people are using iPhone) and connect their ...
3
votes
5answers
4k views

How secure are iPhone/Android/Windows 8 “PIN”/Pattern Lock features?

Most modern (and tablet-oriented) operating systems now offer alternative ways of logging on other than a strong password. For example, iPhones offer a 4-digit PIN, Android devices offer this and a ...
2
votes
2answers
3k views

How to prevent user from recovering my iPhone data?

If I'm about to sell my iPhone 5, is there a way to make sure that the buyer won't be able to recover anything from my data? Both data that has been recently deleted and data that has been deleted ...
1
vote
0answers
108 views

How does the Facebook App on iPhone access the SMS data from iMessages? What are the details?

(This is not a repeat question to "How is Facebook accessing my iPhone texts in order to recommend friends?", linked below. I wish to know the internal details of how downloading the Facebook app on a ...