A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are not in the same vicinity of each other to be heard directly.

learn more… | top users | synonyms

2
votes
1answer
6k 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 ...
2
votes
2answers
548 views

how can I tell if I'm under IMSI cell phone surveillance

I've recently had an encounter with the law, the details of which I won't disclose here since the case is still in court. They took my phone, naturally. I deactivated it as soon as I was released ...
2
votes
1answer
197 views

Which mobile phone OS implements or plan to implement data protection using keys derived from passwords per NIST SP800-132?

NIST has released Special Publication 800-132: Recommendation for Password-Based Key Derivation which is meant for protection of stored data using encryption keys derived from user password. This ...
2
votes
2answers
446 views

How secure is Goodlink for mobile phones when compared to Activesync?

Some of our more technical users are arguing to use Activesync for their phones, while the corporate standard is limited to Blackberry and any device that supports Goodlink. One argument is the ...
1
vote
3answers
1k views

How can hotels securely receive your credit card details (for a custom, one-off payment)?

A hotel belonging to a large chain (400 hotels in 60 countries) has just requested me to send my credit card details via standard (unsecured) email. I have negotiated a deal for accommodation with ...
1
vote
3answers
87 views

Phone location detection

If someone posts something on the internet using their phone's data connection, is it possible to track their location? For example, somehow link their IP address and figure out their location. Or ...
1
vote
3answers
137 views

Touch tone phone username and password

I just got off the phone with Fidelity, who manage the health benefits for the company where I work. Before talking to a person, I was prompted to enter my username and password on the numeric keypad: ...
1
vote
1answer
187 views

Why does not GSM use any stream cipher mode (OFB, CFB)?

If I understand correctly GSM uses A5/1 stream cipher. My question is why doesn't it use a stream cipher mode like OFB or CFB?
1
vote
1answer
64 views

Suspicious phone call claiming MS Office not updated lately

I recently received two phone calls where the caller indicated that according to their log activity, MS Office has not been updated lately. They offered to help me get those updates. What kinds of ...
1
vote
2answers
174 views

How to trace virtual phone number?

Suppose I received a call from internet with some virtual number, I called the same number back after few days but it didn't exist at the time or it was routed to some other user. Is there a way to ...
1
vote
3answers
86 views

Are dialers obsolete?

My antivirus picked up an infection by Dialer/Coulomb. The definition of a dialer is a piece of malware that dials a number that charges money. How would it do this, is this from when modems were ...
1
vote
3answers
2k views

Tracing an IP from a mobile broadband ISP

My honeypot caught a hack attempt from an IP that was issued by Three Mobile Broadband (UK). My immediate thought was that most probable explanation was that the user was in the UK and had his ...
1
vote
1answer
348 views

How should I block BIS connections from accessing my Exchange Server

BIS is a technology from Blackberry that allows end users to connect to an Exchange server without a BES server. The problem is that BES asserts a security policy on the devices, and BIS does not ...
1
vote
0answers
37 views

DLP for Phone calls [closed]

I would like to know if there is a DLP system that can monitor phone conversation, in order to search for sensitive data leakage by the company users to external users. We know NSA does that :) Is ...
1
vote
0answers
137 views

My Home Phone is being used to place calls to fax numbers [closed]

We are using Verizon's Home Phone Connect as a replacement for our AT&T landline. The problem is that somebody is using our phone to make dozens of calls each day to a series of toll free ...
1
vote
0answers
55 views

Do the popular smartphone operating system have a cryptographically secure random source? [duplicate]

Possible Duplicate: Do mobile OS’s provide crypto-quality randomness? Linux and Mac OS X has /dev/urandom, Windows has CryptGenRandom. Do iOS and Android have a similar way to generate ...
0
votes
2answers
2k views

Why don't mobile operators blacklist stolen phones using their IMEI?

I've just read this piece of news that Android and Windows phones will get a 'killswitch', rendering them useless to potential thieves. However, since all devices have a unique identification number ...
0
votes
1answer
639 views

Tracing nuisance or malicious cellphone calls

Is it possible for an ordinary citizen to trace source of nuisance calls to cell phone when caller ID has been blocked?
0
votes
1answer
58 views

Can strangers use Wifi to dial calls from my phone?

I watched an old episode of The Real Hustler in which they demonstrated how strangers can use some devices to force your Bluetooth-enabled mobile phone to call a premium rate telephone number. The ...
0
votes
2answers
184 views

PC showed evidence of a phone being attached for no obvious reason. Theories on why? [closed]

Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to ...
0
votes
1answer
1k views

Are phone calls normally recorded? [closed]

A person borrowed a cellphone and made a prank call and the following day the police contact the owner of the phone. The constable said "I can pull your call logs and you would have no say in it". My ...
0
votes
0answers
48 views

How did he get my telephone number?

Earlier this year a neighbour of a friend of mine passed her their telephone. It was a man calling, claiming that she had talked to him once 5-6 years earlier. The man frankly gave her the creeps, ...
0
votes
0answers
772 views

Is it safe to connect mobile devices to rental cars? [duplicate]

Many modern cars feature Bluetooth connections and USB ports that allow passengers to connect them with mobile phones and digital music players (and smartphones, which serve as both). Is it safe to ...
-1
votes
1answer
262 views

Can you make someones phone make a call with your phone?

Ive been called by someone, but when I answer the phone, it makes digital noises and then my phone calls some Nissan dealership. It will literally, after making before stated noises start ringing on ...
-1
votes
1answer
199 views

Is There a Premium Rate Phone Check? [closed]

Is there a way, online or otherwise, to check if a phone number is a premium rate number which will charge my bill? It seems there should be some way to do this with certainty. Can phone numbers be ...
-1
votes
1answer
394 views

Extremely suspicious phone call — what to do? [closed]

Two days ago, I received a call. Someone with a female, possibly asian voice asked "are you using your computer in internet right now." I said "yes", then asked "who are you?". At this point, they ...
-1
votes
2answers
259 views

Can you listen to your last GSM call recorded when calling back a user?

My wife called a GSM/3G number abroad and the call was dropped. She called again and she could hear the whole conversation repeated with the other party but with blank period from her side of the ...
-2
votes
1answer
89 views

How do i defeat cell phone spyware? [closed]

I've bought a new phone, where one of its products can be activated by receiving a phone call. If someone uses a spoofed SIM card - with a number I recognize - I'll likely answer the call. Are there ...
-2
votes
1answer
78 views

Spyware for feature phones

There are a lot of spywares for android and ios smartphones. Are there spywares for feature phones ? I am using this samsung phone, which is basic. I am wondering if somebody who has access to this ...
-2
votes
1answer
93 views

Mobile Device Security [closed]

Are there any other security threats to a mobile device other then a rogue app? I am trying to secure a set of business phones and tablets and while anti-virus applications are possible, I don't see ...
-2
votes
1answer
54 views

Voicemail PIN reset - what is a DDN? [closed]

Here is a recording of Glenn Mulcaire using social engineering to reset the PINs to voice mailboxes to which he did not have authorised access. (At least, that's my understanding.) He appears to say ...