Introduction:
Detecting mobile phone hacking is quite challenging since cybercriminals these days have increasingly been employing sophisticated mechanisms to become experts at concealing their malicious activities (Mantoo and Khurana, 2020). However, some of the common methods and signs that can be used to detect whether a mobile phone has been compromised include increased mobile data usage, unusual battery consumption, performance issues, unfamiliar or strange apps, overheating, unexpected calls and text messages, high network or CPU usage, reduced durability, sudden changes in mobile settings, unauthorized access to user accounts, unexplained ads or pop-ups and suspicious behaviour (Omodunbi et al.2016).
The common signs and methods that indicate the compromise of a mobile phone:
Unusual battery consumption:
If the battery of a mobile phone continues to drain faster compared to its usual battery consumption, it may be an indication of hacking or malware. Certain hacking and spyware tools end up consuming lots of power (Kasim et al.2022).
Increasing data utilization:
Cybercriminals at times utilize a mobile phone for sending or receiving data without the knowledge of the owner (Rajawat et al.2021). If a user comes across a sudden hike in data utilization, it might be an indication towards unauthorized activities (Chatting et al.2017).
Poor performance:
Hacked mobile phones end up running slower compared to their normal speed as spyware or malware continues to consume the resources of the system (Rajawat et al.2021). Therefore, if a mobile phone becomes sluggish all of a sudden, it would be worth investigating (Sahin and Francillon, 2021).
Unfamiliar or strange apps:
The users must check their mobile phones for any suspicious or unfamiliar apps that they have not installed as these could be spyware or malware (Kuncoro and Kusuma, 2018).
Unexpected calls or text messages:
If a user receives unexpected emails, calls or text messages that they have not been expecting, that could indicate phishing or hacking attempts (Sreekumari, 2020).
Overheating:
Excessive heat generation in a mobile phone could be a sign of corrupted activities operating in the background. Therefore, if a mobile phone ends up getting abnormally hot, it must be a cause for concern (Sahin and Francillon, 2021).
High network or CPU usage:
A mobile phone user is capable of using built-in tools or apps for monitoring the usage of central processing and networks (Rajawat et al.2021). If they notice an unusual increase in activity, it could be because of corrupted software (Kasim et al.2022).
Sudden changes in phone settings:
If the settings of a mobile phone change without any input from the owner, including Bluetooth or Wi-Fi turned off or on by themselves, it may indicate hacking (Kuncoro and Kusuma, 2018).
Degraded battery life:
Certain hacking operations, such as running malware or spyware or locating tracking, are responsible for causing the battery of mobile phones to drain faster (Sreekumari, 2020).
Unexplained ads or pop-ups:
If a mobile phone user starts noticing numerous pop-up notifications or ads, it could be because of adware installation through a cybercriminal (Rotimi et al.2022).
Unauthorized access to user accounts:
If a mobile phone user experiences unauthorized access to their social media, email or other online accounts, their phone might get compromised (Sahin and Francillon, 2021).
Unusual behaviour:
If a mobile phone starts behaving strangely, like turning off and then restarting itself, it might be an indication of hacking (Kuncoro and Kusuma, 2018).
The critical security practices that should be put in place if hacking is detected in a mobile phone:
Disconnecting the phone from the internet:
The mobile data or Wi-Fi should be turned off as soon as hacking is detected to prevent further malicious activities on the infected mobile phone (Sreekumari, 2020).
Scanning for malware:
Reputable anti-malware or antivirus software must be used for scanning mobile phones for corrupted files or apps (Kasim et al.2022).
Changing passwords:
The passwords for the essential user accounts must be changed, essentially, if the user suspects they were compromised (Rotimi et al.2022).
Updating software:
The user should ensure that the apps and operating systems of the mobile phone are updated since updates comprise a range of security patches (Mantoo and Khurana, 2020).
Factory reset:
Mobile phone users may go for a factory reset to eradicate any persistent spyware or malware besides keeping backups of their important data stored in their devices (Lee and Holt, 2020).
Professional consultation:
If a mobile phone user is uncertain about the degree of the hack and requires help, they should take the help of a professional cybersecurity expert (Rotimi et al.2022).
Conclusion:
In the end, it is concluded that mobile phone users should always remain aware of the best security practices as prevention is the key to avoiding mobile phone hacking (Rajawat et al.2021). However, to keep their phone protected they need to update the software of their mobile phone, avoid downloading apps from random sources, employ unique and strong passwords for all their accounts and be always cautious with attachments and links in emails and messages.
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