Financial institutions being held hostage

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The modern bank heist has escalated to a hostage situation over the past year. The new goal of attackers is now to hijack a financial institution’s digital infrastructure and to leverage that infrastructure against a bank’s constituents.

As the world shifted to an anywhere workforce amid the pandemic, we witnessed attacker strategy evolve, becoming much more destructive and sophisticated than ever before – writes Tom Kellermann, Head of Cybersecurity Strategy, VMware Security Business Unit.

In the fourth annual Modern Bank Heists report, VMware interviewed 126 CISOs, representing some of the world’s largest financial institutions, regarding their experiences with cybercrime campaigns.

Given the nature of its business, the financial sector has established robust security postures and fraud prevention practices. However, they are facing an onslaught of sophisticated cybercrime conspiracies.

Attacks against financial institutions more than tripled last year. This stark reality can be attributed to the organised nature of cybercrime cartels and the dramatic increase in sophisticated cyberattacks. The goal of this year’s report was to understand how offense should inform the financial sector’s defence.

Key findings:

  • From heist to hostage: 38{3c4481f38fc19dde56b7b1f4329b509c88239ba5565146922180ec5012de023f}* of financial institutions experienced an increase in island hopping, escalating a heist to a hostage situation. Cybercrime cartels understand the interdependencies of the sector and recognise that they can hijack the digital transformation of the financial institution to attack their customers. They use brand trust (often times trust that’s been built up over hundreds of years) against the bank’s constituents by commandeering its assets. *Note: This excludes SolarWinds.
  • Increased geopolitical tension and counter IR triggering destructive attacks: There’s been a 118{3c4481f38fc19dde56b7b1f4329b509c88239ba5565146922180ec5012de023f} increase in destructive attacks as we see geopolitical tension play out in cyberspace. Russia, China and the U.S. underground posed the greatest concern to financial institutions. It is also worth noting that cybercriminals in the financial sector will typically only leverage destructive attacks as an escalation to burn the evidence as part of a counter incident response.
  • The digitisation of insider trading: 51{3c4481f38fc19dde56b7b1f4329b509c88239ba5565146922180ec5012de023f} of financial institutions experienced attacks targeting market strategies. This allows for the digitisation of insider trading and ability to front-run the market, which aligns with the strategies of economic espionage.
  • Cybercriminals launch Chronos attacks: 41{3c4481f38fc19dde56b7b1f4329b509c88239ba5565146922180ec5012de023f} of financial institutions observed the manipulation of time stamps. This is occurring within a sector that’s incredibly dependent on time given the nature of its business. Because there’s no way to insulate the integrity of time once deployed in a time stamp fashion, this Chronos attack is quite pernicious.

As the threat landscape evolves, so will the tactics, techniques and procedures of cybercrime cartels, as seen in the above findings.

These groups have become national assets for the nation-states who offer them protection and power. In tandem with this, we’ve seen traditional crime groups digitise over the past year as the pandemic hampered them from conducting business as usual.

This has popularised the industry of services provided by the dark web, increased collaboration between cybercrime groups, and ensured cyber cartels are now more powerful than their traditional organised crime counterparts.

So, how should the financial industry respond? To start, here are a few strategies for security teams:

  • Conduct weekly threat hunting and normalise it as a best practice to fuel threat intelligence. We were happy to hear from the CISOs we spoke with that 48{3c4481f38fc19dde56b7b1f4329b509c88239ba5565146922180ec5012de023f} already conduct weekly threat hunts.
  • Integrate your network detection and response with your end-point protection platforms.
  • Apply “Just in time” administration.
  • Deploy workload security.

The game has changed, and so must the financial sector’s security strategy. Safety and soundness will only be maintained by empowering the CISO. 2021 should be the year that CISOs report directly to the CEO and be given greater authority and resources.

Bob Parisi, Head of Cyber Solutions – North America, Munich Re, echoed the importance of up levelling the role of the CISO as cyberattacks surge: “The report’s findings around an increased level of destructive attacks and island hopping makes it clear that financial institutions remain in the crosshairs. VMware’s recommendation that CISOs should be elevated to C-level aligns with the fact that cyber risk is an operational risk that needs to be managed across a spectrum of technology, process and people, including the use of financial instruments like cyber insurance.”

It’s no longer a matter of if, but when “the next SolarWinds” will occur. As a result, cybersecurity must be viewed as a functionality of business versus an expense. Trust and confidence in the safety and soundness in the financial sector will depend on it.

To learn more, download the full report.

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