Opinion

Protect your SIM, protect your self

Caution should be exercised when receiving unexpected calls or messages requesting financial information, verification codes, or access to mobile services

A recent incident in Oman has highlighted the importance of exercising extreme caution over the ownership and use of mobile SIM cards. The incident serves as a broader awareness message for all mobile users, particularly at a time when fraud, identity misuse and cybercrime are becoming increasingly sophisticated.
The incident involved a mobile number registered in an individual’s name that became connected to a matter requiring legal investigation. Although the registered owner maintained that he had no involvement in the alleged activity, he was nevertheless required to face legal procedures and spend several days in custody.
The incident demonstrates how a seemingly simple act, such as allowing another person to use a SIM card registered in one’s name, can potentially lead to serious consequences.
A mobile number today is much more than a means of making calls. It can be linked to banking services, digital payments, social media accounts, messaging applications, government services and other forms of digital identity. If a number is misused, the consequences can therefore extend far beyond unwanted calls or messages.
A person whose number is connected to suspicious activity may be required to explain how the number was used, who had access to it and whether they were aware of the activity.
Even when the registered owner has no knowledge of or involvement in the alleged wrongdoing, the resulting investigation can cause considerable disruption.
The consequences can include detention, legal proceedings, financial expenses, loss of working days, disruption to family life and significant emotional stress while the circumstances are investigated and clarified.
For families, the impact can be particularly difficult. The sudden detention or involvement of a family member in a legal investigation can create anxiety, uncertainty and financial pressure.
The incident also highlights the growing importance of vigilance against modern fraud. Fraudsters may use mobile numbers in connection with fake transactions, phishing attempts, impersonation, online scams and other unlawful activities. In some cases, individuals may unknowingly become connected to fraudulent activity simply because their mobile connection or personal information has been misused.
Mobile users should therefore never casually lend their SIM cards or allow others to use numbers registered in their names. Even when the person requesting access is known or trusted, users should carefully consider the potential risks.
Users should also regularly check which mobile connections are registered under their identity and ensure that old, unused or unwanted connections are properly cancelled. When changing or replacing a SIM card, the appropriate procedures should always be followed.
Personal identification documents, OTPs, passwords and other security information should never be shared unnecessarily. Particular caution should be exercised when receiving unexpected calls or messages requesting financial information, verification codes or access to mobile services.
The increasing sophistication of digital fraud means that awareness and prevention are the first lines of defence. We should not assume that fraud can only happen to other people. Anyone can potentially become a victim, or inadvertently become connected to fraudulent activity through misuse of their personal information or mobile connection.
The incident is therefore not merely an individual legal matter but an important reminder for the entire community.
Every mobile user should treat their SIM card and mobile number as part of their personal identity. Keeping control of the number, knowing who has access to it and immediately addressing any suspicious activity can help prevent serious problems later.
A few minutes of caution today can prevent days, weeks, or even months of legal, financial and emotional difficulties tomorrow.

Dr Saji Uthuppan The writer is an English lecturer