'The service provider would want to verify it is a legitimate person they are dealing with. Glubs replied in the thread: 'I do not condone illegal activity like that, just some simple questions.'īut DC Stratford added: 'One reason of getting in contact with an employee would be because some users have pin numbers on their accounts. 'That is transferring the mobile phone number associated with a legitimate SIM card and diverting that to a third party - a type of phishing fraud.' Officer in the case Det Con Mark Stratford, of the cyber and serious organised crime directorate, told the court: 'One user interpreted the question as an attempt to locate a member of staff at Sprint with the intention to facilitate a SIM swap. In one post he asked if anyone knew an employee of Sprint - an American telecoms company. PICTURE: Jamie Honeywood - Credit: Archant Customers using remote retrieval for fixed voicemail have to set their own unique PIN.Norwich Crown Court. "The default PIN used for initiating a fixed line voicemail service cannot be used for remote retrieval. Activating your mobile voicemail requires you to set up a unique PIN before the service can be used. "We do not use default voicemail PINs on our mobile network. "Caller ID spoofing is not possible on either our mobile or fixed networks. "As we understand it, the News of the World ‘hacking’ used both caller ID spoofing and remote retrieval via services still using a default PIN. "We believe the processes we have in place for voicemail PIN protection offer an appropriate level of security." Telstra "If a customer calls our customer care team to request a voicemail PIN reset (or if they call us and are unsure about their existing PIN code) we initiate a three-point identification process that all customers must go through to make any changes or access account information. "If a customer is accessing their voicemail account from another handset or fixed line, they will be prompted to enter their PIN before they can proceed to their voicemail inbox. "With regards to spoofing, we are looking at multiple options to address this emerging industry-wide threat, including technical solutions and customer education." Vodafone When their PIN is reset by a customer service representative, they are advised to reset their PIN to something that only they will know. Customers must set a unique PIN to activate their voicemail system. "Optus takes the privacy of our customers very seriously. We asked Optus, Telstra and VHA (Vodafone/3) what their thoughts on the risk of voicemail hacking in Australia was.Īll the carriers denied any knowledge of any voicemail hacking having taken place on their networks.
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Put simply, someone just needs to set up an internet telephony service that can fake the caller ID, so a call to a mobile phone company's voicemail retrieval service appears to be coming from someone's mobile phone number.Īs the caller appears to be calling in from their handset, most voicemail services won't ask for a PIN number, and a hacker will have full access to listen to the voicemails.
Hacker Kevin Mitnick's explanation of how easy it is to get into someone's voicemail highlights just how easy it is to hack into someone's voicemail. Travellers get messages indicating the locations of executives staffers may comment on unannounced company strategies with the reasonable expectation of privacy, and for travellers living it up, "what happens on the trip" may not "stay on the trip" if someone leaves a voicemail about it and it is hacked. It's especially relevant in the context of business travel, where voicemail to people in different timezones or undertaking negotiations could yield all sorts of risky and confidential information. The News International scandal over voicemail hacking may have focused on Britain so far, but it made us wonder whether Australian voicemail is safe.
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