Fujitsu develops technology that identifies users vulnerable to cyber-attacks
By Digital News Asia January 20, 2015
- Based on behavioural and psychological characteristics
- Enables security measures precisely tailored to individuals, organisations
FUJITSU Ltd and Fujitsu Laboratories Ltd have announced the development of what they claimed was the industry’s first technology for identifying users vulnerable to cyber-attacks based on the ways they use their computers, such as their e-mail and web activities.
This will make it possible to implement security measures tailored to individuals and organisations, Fujitsu said in a statement.
While there are numerous security measures already in existence, the weakness that most cyber-attacks and data breaches take advantage of is human error, such as, for example, when a user carelessly clicks on a malicious link in a fake e-mail message.
Because this depends on individual traits, it is difficult to develop a standardised security measure to defend against it, the Japanese tech giant said.
Fujitsu and Fujitsu Laboratories have used online questionnaires to identify the relationship between the psychological traits and behaviour of people likely to suffer three kinds of attack: Virus infections, scams, and data leakage.
At the same time, based on activity logs on PCs, such as when the PCs freeze, they have developed a technology for calculating different users' risks of being victimised.
This technology could be used to precisely tailor security measures, such as, for example, by displaying individualised warning messages to users who often click on URLs in suspicious e-mail messages without checking them carefully, or escalating the threat level of suspicious e-mails sent between departments with virus-prone users.
Details of this technology are being presented at the 32nd Symposium on Cryptography and Information Security (SCIS2015) opening Jan 20 in Kitakyushu, Fukuoka Prefecture.
Research for parts of this technology was conducted under contract for Japan’s Ministry of Internal Affairs and Communications for a project named ‘R&D of Detective and Analytical Technology Against Advanced Cyber-Attack.’
Background and issues
In recent years, cyber-attacks have been growing increasingly sophisticated, with attacks designed to exploit the psychological vulnerabilities of targeted users to defraud them or infect their PCs with viruses, such as by setting traps in email messages or websites designed to appear to be from trusted sources in line with the targeted user’s interests or job duties.
These kinds of attacks are often difficult to distinguish from ordinary network access, and are difficult to detect using conventional email filters and firewalls, Fujitsu said.
Moreover, the accidental actions that are the main cause of information leaks will not simply go away.
Under these circumstances, it is all the more important to be able to quickly identify those users who are most at risk of being victimised and to develop protective security measures tailored to the individual or organisation, the company added.
There have been past attempts to analyse the behavioural and psychological traits of users at risk of cyber-attacks through questionnaires, but actually applying that information to security measures within an organisation required making determinations every time a questionnaire was conducted, Fujitsu added.
In addition, because this method can only pick out psychological traits at the time the questionnaire is conducted, the problem is that it cannot respond to risks that vary depending on time of day or level of busyness.
About the technology
Fujitsu and Fujitsu Laboratories developed the technology to make use of social-psychology knowledge, to identify users at risk of cyber-attacks based on the ways they use their computers (see figure below).
The key features of the technology are:
1) Analyses psychological traits of users vulnerable to attacks
Using an online questionnaire created with the help of experts in social psychology, Fujitsu and Fujitsu Laboratories analysed the psychological traits of people vulnerable to three kinds of attacks: virus infections, scams, and data leakage.
Participants consisted of approximately 2,000 employees throughout Japan ranging in age from their 20s to their 60s, male and female, who use their own PC to do most of their work, with half of them having previously experienced an attack.
The results of the analysis showed, for example, that people who prioritised benefits over risks (benefit-oriented people) were more vulnerable to virus attacks, and that people who were highly confident in their own ability to use a computer were at higher risk for data leakage.
2) Identifies risk vulnerability through behavioural analysis
The companies developed a technology that calculates a user's risk of suffering from an attack as a result of their behaviour by clarifying the connections between behavioural characteristics when using a computer, and the psychological traits that make them vulnerable to cyber-attacks.
They then developed a tool that logs activity on a user’s computer (email traffic, web accesses, keyboard and mouse actions), and a tool that creates false errors, such as the computer freezing up.
Approximately 250 employees of Fujitsu filled out questionnaires, and this information was used to analyse and quantify the relationship between the psychological traits and behaviour of a user vulnerable to attacks.
For example, it was found that users who are highly confident in their ability to use a computer would often perform keyboard actions when the false freezes occurred, whereas benefit-oriented users would spend little time reading privacy policies (see figure below).
The technology reveals the security risks that individuals and organisations create, raises users’ literacy on IT, and is the first step in devising proactive security measures tailored to the organisation, Fujitsu said.
For example, preventing data leakage via phishing emails by displaying warning messages to individual users who click links without checking the URLs carefully, or that escalate the threat level of suspicious email messages sent between departments with people who are especially vulnerable to being scammed.
In the pipeline
Fujitsu and Fujitsu Laboratories aim to have a commercial implementation of this technology in 2016, and are working to detect users in conditions that are vulnerable to attacks more accurately, and to develop effective security technologies that connect to the psychological and behavioural traits of users.
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