Shopping for a pre-owned cellphone doesn’t should imply compromising your safety – take these steps to get pleasure from the advantages of cutting-edge expertise at a fraction of the associated fee
09 Dec 2024
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5 min. learn
The fashionable smartphone has turn out to be an indispensable piece of expertise. These highly effective, pocket-sized computer systems allow us to do all the pieces from hailing cabs to consulting with our native physician. However prices might be prohibitive. Unsurprisingly, second-hand and refurbished gadgets have turn out to be an more and more widespread possibility, offering entry to premium expertise at a fraction of the worth and interesting to budget-conscious customers or these in search of sustainability.
Smartphones are additionally typically among the many most desired items through the vacation season. The newest fashions could also be out of attain for a lot of resulting from their excessive worth, so second-hand telephones current a extra reasonably priced possibility for gift-givers.
Additionally, any folks improve their smartphones through the vacation season, both as items to themselves or as a result of they’ve acquired a brand new cellphone as a gift. This creates a secondary marketplace for pre-owned gadgets as they promote or commerce of their outdated fashions.
The important thing downside isn’t figuring out what situation these gadgets will arrive in. To keep away from unwittingly exposing your self to cyber-risk, take trip to think about the next suggestions.
What are the dangers of pre-owned telephones?
Due to persistently excessive rates of interest and inflation throughout a lot of the Western world, second-hand telephones are more and more commonplace. In reality, gross sales generated over $13bn globally within the first quarter of 2023 alone, up 14% yearly, based on one estimate. In a mature market just like the UK, 1 / 4 of all telephones offered in 2023 have been reportedly second-hand or refurbished.
But this comes with sure cybersecurity dangers. These embody:
Outdated software program
Some gadgets might not be supported by the producer, that means the underlying working system doesn’t obtain software program updates. That’s dangerous information from a safety perspective, because it signifies that when vulnerabilities are discovered by researchers or risk actors, your machine received’t get a safety patch to repair it. It’ll successfully be uncovered to attackers. One 2020 research within the UK discovered that just about a 3rd of fashions being resold have been not supported with safety updates.
Malware
In some circumstances, a earlier proprietor might even have (unwittingly or not) put in malicious software program on the cellphone. This can be designed to do a wide range of issues, from steal your private info and passwords to snoop in your calls and messages. It could even flood the machine with undesirable advertisements or subscribe you to premium-rate companies. The top aim is normally to earn money in a roundabout way off you, both by stealing private and monetary info to be used in fraud or digital extortion.
No refurbishment checks
Some pre-owned telephones might not have undergone the sort of checks that respected second-hand sellers carry out to make sure they’re operational and operating on a supported OS. This will likely expose you to a few of the dangers outlined above.
The way to keep away from cyber dangers on second-hand gadgets
Mitigating these dangers takes a multi-pronged method, beginning with due diligence through the shopping for course of. That successfully means doing all of your analysis. Second-hand gadgets can be found from all kinds of sources, from producers themselves to high-street retailers, telcos, and personal sellers. Put the time in to ensure the vendor has good evaluations and their supply is respectable. A guaranty of not less than a yr must be a baseline requirement to make sure high quality.
It is also finest to keep away from jailbroken or rooted gadgets, as these might have had safety features disabled which make them extra uncovered to threats.
Additionally, solely select gadgets which might be nonetheless supported by the producer; normally, phone-makers will assist a handset for not less than 2-3 years after it’s launched.
To additional mitigate safety dangers, think about the next after buy:
- do a full manufacturing facility reset, wiping any information that will have been left on the machine by the earlier proprietor, together with contacts, photographs, messages, searching historical past, passwords and apps,
- replace all of the software program on the machine after buying to the most recent, most safe model, and swap on computerized updates,
- preserve an eye fixed out for tell-tale indicators that it may be compromised with malware, reminiscent of undesirable pop-ups or advertisements, apps showing that you just didn’t obtain, or sluggish efficiency and unusually excessive battery utilization,
- set up safety software program from a good supplier and have it scan the machine for threats.
As soon as your machine is up and operating, think about the next finest practices to mitigate ongoing safety dangers:
- arrange a display lock and PIN, password, or biometric authentication (face recognition/fingerprint scan) for safe entry
- backup your information and set to computerized backups to the cloud in case the machine is misplaced or stolen
- delete any unused apps to attenuate your assault floor
- swap on machine encryption for an additional layer of safety
- all the time use multi-factor authentication to entry your machine and any software program/accounts on it
- flip Bluetooth, tethering or Wi-Fi off when not in use, to keep away from eavesdroppers snooping round
- test your app permissions – if some apps are requesting entry to greater than is critical, that must be a purple flag
- solely obtain apps from official app shops and from respected builders
- be looking out for phishing messages and emails. If unsure, by no means click on on hyperlinks or open attachments contained in these messages. All the time contact the supposed sender individually first, or open the message on a safer machine
- keep away from utilizing public Wi-Fi and not using a VPN.
If you happen to’re nonetheless involved about your pre-owned cellphone exposing you to safety dangers, don’t entry any delicate info or accounts when utilizing it – reminiscent of cellular banking or syncing along with your company accounts. In reality, in case your employer permits BYOD handsets within the office, there could also be an extra algorithm and insurance policies you could observe to make sure that your second-hand machine can be utilized. The dangers outlined above might be amplified if risk actors handle to make use of your handset as a stepping stone to achieve company information and programs.
That mentioned, there’s no motive why a pre-owned cellphone ought to trigger undue stress and safety threat, so long as you observe these finest practices. And when you resolve handy it on to another person, keep in mind to carry out a full backup, information erasure and manufacturing facility reset.
