British Universities Vulnerable To Credentials Fraud

 A leading cyber security solutions company, Crossword, has published its analysis of online criminal markets detected by its Trillion risk monitoring platform, which concludes that UK universities are at high risk of major cyber security incidents launched using stolen credentials.  

The Trillion team discovered 2.2 million breached credentials available on the dark web for the top 100 British institutions, with 57% belonging to the 24 Russell Group Universities.

With over 2.41m staff and students at UK universities in the 21/22 academic year studying for degrees, including 679,000 students from outside the UK, the potential reach and impact of a breach is serious, placing personal information at risk and disrupting the studies of millions that have chosen the UK as the place to invest for their future.  

Research Facilities In The Crosshairs

The UK university sector is renowned for the quality of its research facilities, driving innovation across many sectors including healthcare and technology, as well as government funded programmes of national importance such as nuclear energy and defence. In particular, Crossword found that 54% of the breached credentials came from UK universities with research facilities.

Location & Size

The location and size of universities has an impact on the extent to which credentials have been breached, with London substantially at more risk, with 506,330 (20%) credentials breached, followed by the South East (334,251 – 13%) and Scotland (306,873 – 12%). Other key findings related to size and location include:

  • Top 30 universities are up to 50% more likely to have breached credentials than any other institution in the remaining top 100
  • London universities have more breached credentials (506,330) than Scotland, Wales and Northern Ireland combined (465,767)
  • Largest segment of breached credentials by university student population: 

o    More than 30,000 students - 38% had 20,000-30,000 breached credentials
o    20,000-30,000 students – 39% had 10,000-20,000 breached credentials
o    10,000-20,000 students – 38% had 10,000-20,000 breached credentials
o    5,000-10,000 students – 29% had 2,000-4,000 breached credentials.  

 These environments are amongst the most uniquely challenging to protect with overlapping requirements for secrecy and openness, so many attack paths need to be factored. Crossword's advice for all organisations, not just the education sector, is to include the proactive monitoring for stolen credentials, and a requirement for multi-factor authentication.

  • Use Two Factor Authentication (2FA) on user accounts - Using 2FA on internal systems is a good start. But this does not always protect you when working with external partners, such as law firms, expense portals etc, as their systems may not require it. So you should always remain vigilant.
  • Does single sign-on (SSO) protect us? Not really. If an attacker can obtain a valid password for your SSO application then they can use it for wider access. If they can access your email account then they can probably request password resets, which they can then carry out.
  • Resetting passwords is only a temporary fix - The problem goes away until one of your new passwords is leaked again by another site you are using. So you need to maintain an ongoing process of protection.
  • Have a policy that enforces complex passwords - The NCSC website has good guidance on choosing secure passwords. But remember your passwords still need to be unique for each website. And even a complex password, if it’s stolen from a 3rd party, can still be used against you.
  • Use a 3rd party tool to monitor for breaches – These tools can automatically monitor and track stolen credentials, alerting organisations and users to a breach.  Trillion also applies proprietary risk scoring algorithms to rapidly alert organisations to the presence of their user credentials on the Dark Web.

Commenting on the findings, Stuart Jubb, Group Managing Director at Crossword said: “UK universities and research facilities are among the most respected in the world, and protecting that reputation includes protecting the students, staff and information that is shared with them for research projects by government, the public and private sector, through effective cyber security practices.

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