As the calendar turns to tax season in South Africa, millions of taxpayers prepare to submit their financial information, but this period also signals the start of a heightened threat landscape for cyber fraud. From phishing scams to account hijacking, the risk of falling victim to cybercriminals escalates during this time. Understanding these threats and implementing strategies to protect yourself is essential. In this blog post, we will explore the risks associated with South Africa’s tax season, the role of technology in mitigating these threats, and how taxpayers can safeguard their sensitive information.
The tax season is a critical time for South African citizens, where individuals and businesses alike must file their returns and ensure compliance with the South African Revenue Service (SARS). This process, which runs from July to October, involves millions of users logging into the SARS eFiling system, sharing sensitive personal and financial data. The sheer volume of transactions during this period presents an attractive target for cybercriminals, who are well aware that many taxpayers are focused on compliance rather than security.
In 2025, over 10 million unique users accessed SARS’s digital platforms, which included the popular eFiling and the SARS Mobi App. This spike in digital activity serves as a green light for cybercriminals, who ramp up their efforts to exploit vulnerabilities in the system. SARS has issued warnings about the increase in phishing attempts, fake refund notifications, and account hijacking incidents, underscoring the importance of vigilance among taxpayers. Former SARS Commissioner Edward Kieswetter has reiterated that the organization will never request personal information via email or SMS, a crucial reminder for users to remain skeptical of unexpected communications.
While there is no official data on the exact number of individuals who fell prey to scams during the last tax season, the uptick in alerts from various financial institutions points to a significant increase in fraudulent activities. Cybercriminals have become adept at utilizing sophisticated tactics to deceive taxpayers. For instance, they often exploit the auto-assessment process introduced by SARS, leveraging the very digital conveniences designed to enhance user experience to execute their scams.
Fraud prevention services have noted that scammers are increasingly using combined tactics, such as social engineering and fraudulent SIM swaps, to hijack eFiling profiles. By taking control of a taxpayer’s mobile number, attackers can intercept one-time PINs (OTPs) sent by SARS, reset eFiling credentials, and ultimately redirect refunds into accounts they control. This highlights a critical vulnerability; once a fraudster has access to your OTP, they can easily bypass the last line of defense protecting your financial transactions.
For banks and financial service providers, the tax season presents a significant challenge. The heightened transaction volumes and customer anxiety place immense pressure on authentication and fraud detection systems. Financial institutions are turning to advanced technologies, including artificial intelligence (AI), to address these challenges. AI-driven telemetry and behavioral analytics are increasingly being employed to detect threats in real time, allowing institutions to respond proactively to potential fraud attempts.
Key takeaways for taxpayers during this precarious period include being vigilant about communication from SARS and financial institutions, ensuring that personal information is kept secure, and using strong, unique passwords for online accounts. It is also advisable to enable two-factor authentication wherever possible, as this adds an additional layer of security against unauthorized access.
As an investor or trader, the implications of tax season fraud extend beyond individual risk. The financial sector as a whole faces enhanced scrutiny, and any breach of security can lead to widespread distrust among consumers. This scenario can affect market stability, investor confidence, and ultimately, the profitability of financial institutions. It is crucial for investors to stay informed about the measures their banks and fintech platforms are implementing to safeguard user information during peak periods.
In conclusion, as South Africa’s tax season approaches, taxpayers must be acutely aware of the heightened risks associated with online filing. By adopting proactive security measures and remaining vigilant against potential scams, individuals can protect themselves and their financial information. Furthermore, the collaboration between financial institutions and advanced technologies like AI will continue to play a vital role in fortifying defenses against cyber fraud, ensuring a safer environment for all taxpayers. As we navigate this digital minefield, awareness and preparedness will be key to safeguarding against cyber threats.

