By Iain Swaine, Head of Cyber Strategy EMEA, BioCatch
The chance of becoming a victim of cybercrime increases year after year. In the first half of 2021 in the UK, criminals stole a total of £753.9 million through fraud, an increase of over a quarter (30 per cent) compared to the first half 2020.
With more sophisticated fraud prevention measures in place criminals increasingly targeting regular people, customers of banks and other financial institutions. Cybercriminals take advantage of the weakest link in the security chain – people.
People are error prone and make the same mistake multiple times. The inability of financial institutions from preventing us from making mistakes, makes us the weakest link in the chain. While this form of fraud has been implemented for years, mostly in the form of phishing and vishing (voice phishing), it is growing continually.
Behavioral biometrics-based technology can detect social engineering scam attacks and validate a person’s identification during a banking transaction without the need for further security layers.
Fraud detection in real-time
Real-time fraud, also known as authorised push payment (APP) fraud, is a form of social engineering that can cause considerable financial harm. To establish the necessary authenticity, cybercriminals utilise their victims’ personal data obtained through data breaches on the dark web or captured from social media profiles. The more information available to the perpetrators, the more authentic they can appear.
In doing so, they contact their victims via telephone and pretend to be a representative of a government agency, an employee of the bank or another official organisation. In this way, they can persuade the person called to transfer a certain amount of money to another account. The banks’ security processes can be bypassed because a real account holder triggers the transfer. Multi-factor authentication (MFA) thus offers no protection either.
The fraud is difficult to pinpoint because it is a real user who logs in from a legitimate location and completes the authentication procedure with their own end device. This is because the usual checks – for example, identifying the location, the end device, or the IP – are no longer sufficient. Even out-of-band methods such as authentication with a one-time password (OTP) via SMS can be circumvented.
Cybercriminals who carry out such attacks also usually have a sophisticated script and are familiar with a bank’s security practices and procedures. To make matters worse, cyber criminals use social engineering methods to elicit emotional response from their victim. Criminals will try to extract feelings of sympathy, guilt, or companionship from their victims. They will use a sense of urgency, flattery, an aura of authority or trusting dispositions. These popular methods elicit feelings such as fear, anxiety, or ease, causing victims to behave hastily or without judgement, resulting in the attacker’s desired outcome.
How can you use Behavioural Biometrics to detect Authorized Push Payment (APP) Fraud?
APP fraud is gaining traction in the UK – victims have lost an estimated £479 million in total, averaging over £7K per victim. However, technologies based on behavioral biometrics can detect this type of fraud; it can be used to verify a person’s identity during the entire banking transaction. BioCatch uses data-based insights to distinguish behaviors of “real” and manipulated users. In collaboration with its customers, BioCatch has developed risk models that can be used to identify a variety of threats, as this collaborative effort is deemed essential in empowering clients and keeping consumers safe. In addition, there are clear behavioral patterns that can distinguish “real” from “fraudulent” activity during an online session and reveal manipulation by a cybercriminal:
- Unusual duration of the session: the session lasts considerably longer than usual, and the account holder shows noticeable behavior patterns, such as aimless mouse movements. This may indicate that the person is nervous or under pressure while waiting for instructions from a criminal.
- Segmented keystrokes: If there are interruptions in typing, this may be a sign that the account number is being read aloud by the perpetrator, preventing routine typing.
- Hesitation: The time required to perform simple, intuitive actions such as confirming an entry increases significantly.
- Unusual handling of the terminal device: The orientation of the device changes frequently. This may indicate that the logged-in user repeatedly puts down or picks up his smartphone to accept the criminal’s instructions.
Cybercriminals that use social engineering to defraud enterprises are determined and skilled, regardless of how complex a bank’s systems and controls are. After a successful social engineering fraud, there is usually no way to track down the victim’s money. Therefore, to protect customers from financial loss, it is imperative to detect fraud the moment it occurs. The use of behavioral biometrics can prevent significant losses, while comprehensively protect customers and company assets. It must form the bedrock of any financial institutions anti-fraud protection.
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