Recycled Phone Numbers Exposing Users to Hacking and Nuisance Calls, Warns Which?
Mobile phone users in the UK could be at risk of hacking, nuisance calls, or having their phone disconnected due to little-known rules regarding the recycling of old phone numbers, according to consumer group Which?. The organization has highlighted several risks associated with the reuse of existing phone numbers when they are taken on by new consumers.
Which? pointed out that many new phone numbers issued by telecoms companies in the UK are actually recycled from previous owners. This recycling practice is driven by the limited pool of 11-digit number combinations and increasing customer demand for new numbers. Through its research, Which? surveyed over 15,000 members and discovered that 11% had changed their mobile numbers in the last ten years. Shockingly, only 50% of them had updated their new numbers with all relevant organisations and online accounts, with 10% admitting they had not updated their number anywhere.
The consumer group raised concerns that recycled phone numbers could put online identities and accounts at risk, as sensitive information is often sent via text message or used for two-factor authentication on online platforms. According to their findings, 7% of respondents reported facing problems due to the deactivation or reassignment of their landline or mobile numbers, including issues with receiving calls and messages meant for the previous number owner.
Instances of individuals receiving numerous calls and messages from debt collectors or unknown persons attempting to purchase illicit substances were also reported. Lisa Barber, Which? tech editor, emphasised the significant problems recycled phone numbers can cause for both the previous and new number owners, ranging from hacking risks to losing access to important emergency lines and receiving unsolicited and concerning messages.
Which? has urged Ofcom to enhance communication by service providers to alert users when a number is at risk of deactivation. The consumer group also called for an investigation into the challenges recycled numbers are creating for consumers.
By raising awareness of these issues, Which? aims to protect phone users in the UK from the potential dangers associated with recycled phone numbers.