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  • Athol Smith

HUMAN FALLIBILITY REMAINS THE WEAKEST LINK IN CYBERSECURITY

Updated: Jun 14

We at MFS are seeing an increasing number of cybersecurity breaches and, in quite a few instances, clients have been directly affected and have suffered financial loss as a result. We have reproduced, with minor changes, an article by Yash Pillay which appeared in a recent BizCommunity newsletter. Although it deals primarily with financial institutions and large corporations, private individuals are also being targeted by hackers. Consequently, this is of equal relevance to anyone using a computer or other digital device to access the internet.


If the South African financial industry can learn one thing from Experian's 2020 data breach, it is this: human fallibility is still the weakest link in the fight against cyberattacks.


By using standard social engineering techniques – simply asking the right question at the right time - the 2020 Experian fraudster, posing as a client, gained access to 24 million individual personal records, as well as confidential financial information for almost 800,000 companies. Similarly, 2020’s Twitter data breach saw hundreds of high-profile accounts breached, similarly achieved with one simple phone call to an unsuspecting technician. Quite literally, data breaches are becoming a costly illustration of the old adage ‘loose lips sink ships’ where manipulating human nature and exploiting human emotion can have dire consequences. Whether it’s in the form of a low-tech phone call and traditional phishing email or a more sophisticated malware and ransomware invasion via non-reputable applications and uncertified websites on unsecured networks, the holes are getting easier to open and the attacks more difficult to spot.

Health fears and economic uncertainty as phishing bait

As we enter 2021 and continued era of Covid-19 and the remote workforce, cybercriminals are using health fears and economic uncertainty as phishing bait to lure employees at home, where the links between their personal and professional lives are intersecting across multiple electronic devices using unsecure, non-regulation software over often insecure networks. Companies, particularly within the financial industry where the digital exchange of sensitive financial and personal information has to be vigilantly managed and regulated, must also take a proactive approach to ensure all aspects of IT gatekeeping infrastructure – hardware as well as software - protects their employees at home. Commissioned by multinational cybersecurity software company Trend Micro, a 2020 research report has evaluated how well (or poorly) the remote workforce is mindful of and prepared against potential cyberattacks. The research sampled 13,214 remote workers across 27 countries and found that while most employees understood the dangers of cyber intrusion and could identify and avoid the trademarks of a typical digital breach attempt, there is a growing concern about bad security practices of employees at home, using less secure personal devices to access corporate data, and vice versa: corporate devices for personal use.

Running a tight ship, while managing a dispersed fleet

To avoid the next Experian, South African banks, financial institutions, corporations – and indeed private individuals - will need to re-evaluate their cybersecurity infrastructure on three fronts, namely: people, policy and technology. In managing and securing the remote workforce, companies can now no longer define themselves by location alone – outdated policies and obsolete technology cannot cover one building, one office, one department, with a single security blanket. Constant education and awareness programmes may be effective to a point: It’s not only about teaching employees to spot the latest methods and signs of potential breach attempts, but also changing behaviour and creating a culture of accountability for devices – both personal and work-related - and their online habits. A stronger relationship between the workforce and a company’s IT management is vital in determining a stricter yet adaptable usage policy. Employees should always be aware of what exactly is acceptable practice online and what behaviour is considered irresponsible. Ultimately, even the most sophisticated protection technology and the best online security processes can only be as effective as the culture of informed, accountable employees that the technology has been designed to protect.

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