Introduction
In recent years, the financial services sector has become the primary target for volumetric distributed denial-of-service (DDoS) attacks. These attacks aim to overwhelm systems with excessive traffic [4], posing significant challenges to the sector’s cybersecurity defenses.
Description
The financial services sector has emerged as the primary target for volumetric distributed denial-of-service (DDoS) attacks, which aim to overwhelm systems with excessive traffic [4]. In 2024 [1] [4], the sector experienced a significant escalation in large-scale DDoS incidents, with a notable peak in October when nearly 350 events were recorded, each characterized by massive volumes of malicious requests. Throughout the year, application-layer DDoS attacks against financial institutions increased by 23% compared to 2023 [4], driven by the growing adoption of application programming interfaces (APIs) and customer-facing websites, which have expanded the sector’s vulnerability landscape and made these precision-targeted threats harder to detect as they often mimic legitimate user behavior.
The evolution of DDoS attacks has been marked by advanced multi-vector strategies [3], where attackers employ systematic probing and adaptive methods to analyze defenses in real time and evade automated protections [3]. Techniques include testing various attack vectors at low traffic volumes to assess defense effectiveness and conducting initial probing phases for intelligence gathering [3], which complicates the identification of attackers and their motivations [2]. The rise of DDoS-for-hire services further obscures the identities of cybercriminals, hindering effective mitigation efforts [2].
Ongoing geopolitical tensions [2] [3], particularly related to the Israel-Hamas and Russia-Ukraine conflicts [2] [4], have contributed to a rise in hacktivism [2] [4], intensifying the risks faced by the financial services sector. In the Asia-Pacific region [2] [4], DDoS attacks on financial services surged dramatically [4], now accounting for 38% of all volumetric DDoS attacks [4], a significant increase from 11% in 2023 [4].
To combat these evolving threats, it is essential for financial institutions to enhance their technical defenses and foster a culture of continuous vigilance and collaboration. Initiatives such as the five-level DDoS Maturity Model, developed to assist institutions in assessing their resilience against DDoS attacks, are crucial for ensuring operational continuity and maintaining customer trust in an increasingly hostile cyber environment. Experts emphasize the importance of implementing robust mitigation strategies and maintaining strong cyber hygiene to defend against the evolving risks posed by DDoS attacks [4].
Conclusion
The financial services sector faces escalating threats from DDoS attacks, exacerbated by geopolitical tensions and the rise of DDoS-for-hire services. To mitigate these risks, financial institutions must prioritize enhancing their cybersecurity measures and fostering a culture of vigilance and collaboration. By adopting comprehensive strategies and maintaining strong cyber hygiene [4], the sector can better protect itself against these evolving threats and ensure operational continuity in an increasingly hostile cyber environment.
References
[1] https://www.infosecurity-magazine.com/news/ddos-financial-sector-surge/
[2] https://www.securityinfowatch.com/cybersecurity/press-release/55296172/akamai-technologies-inc-nasdaq-akam-the-worlds-largest-and-most-trusted-cloud-delivery-platform-fs-isac-and-akamai-find-spike-in-ddos-attackers-targeting-global-financial-sector
[3] https://osintcorp.net/ddos-attacks-on-financial-sector-surge-in-scale-and-sophistication/
[4] https://cybertechnologyinsights.com/cybertech-insights/ddos-attackers-increase-targeting-of-global-financial-sector/