March 3, 2025
February 12, 2025

Cyber Security Oversights: The Hidden Risks of Third-Party Involvement

A shocking statistic reveals that 45% of organisations faced data breaches through third-party vendors in 2022.

Business partnerships have evolved into intricate webs, presenting cybersecurity challenges that demand serious attention. While organisations diligently enhance their internal security, the unchecked vulnerabilities in third-party relationships create easy access points for cybercriminals.

Organisations need to deal better with finding and managing these hidden risks. Every relationship with cloud service providers and software vendors brings new security risks that need attention. This piece will get into the critical blind spots in third-party security. We'll help you understand today's threat landscape and share practical strategies to build a strong defence system against these overlooked vulnerabilities.

Understanding Modern Third-Party Security Landscape

The business world faces a growing wave of third-party security breaches. A shocking 98% of companies work with at least one third-party that has experienced a breach [1]. This shows how complex our security challenges have become.

These breaches affect different industries in various ways. Healthcare and finance suffer the most damage from security issues. The tech and telecom sectors show the highest rate of third-party breaches at 43%[1]. Several factors drive these security incidents:

  • Software     and tech products cause 75% of external relationship breaches
  • Non-tech     products and services account for 25% of breaches
  • Cloud     setup mistakes lead to 15% of attacks
  • Vulnerabilities     in third-party software result in 13% of attacks [2]

Digital transformation has changed how we handle security. 76%of top global companies now rely on external IT services [3]. This creates a complex network of dependencies that hackers love to exploit. Just 87 organisations getting compromised led to security issues for over a thousand U.S. entities [4].

The situation becomes riskier with modern distributed systems that depend heavily on SaaS. These systems create countless ways for unauthorised access to company data and processes [4]. Administrators often create security risks through weak access controls. Due to decentralised purchasing, SaaS applications get deployed without security teams knowing about them.

Critical Security Blind Spots

Our analysis of third-party relationships has revealed several critical security blind spots that leave organisations exposed to the most significant risks. The research shows that old-school third-party risk analysis solutions don't work anymore because they depend on wrong or outdated information [5].

These security blind spots in today's digital world worry us the most:

  • Ineffective     Assessment Methods: Organisations still depend too much on security     questionnaires that miss real risks. These questionnaires are too broad or     stick too close to ISO standards and fail to show the actual security     situation [5].
  • Shadow     IT Proliferation: The numbers show that 80% of company employees     use software or services without approval [6].     This creates substantial security gaps that IT teams can't track or defend     against.
  • Legacy     System Vulnerabilities: Our team found that companies using legacy     systems face higher cyber breach risks, especially when you have limited     support for modern security features like multi-factor authentication and     encryption [7].

The numbers paint a grim picture - over half of organisations have faced data breaches because of third parties [8]. Things get worse when backup storage devices are shared between departments without restrictions. These devices become weak points nobody watches or protects [8].

Most security incidents don't come from clever attacks but from these overlooked weak spots. The situation becomes more complex as 90%of organisations worry about attackers who might use third-party vendors as a backdoor into their networks [9].

Building a Proactive Defence Framework

A defence framework needs more than just reacting to threats. Our research shows that a proactive defence strategy greatly reduces the risk of third-party security incidents [10].

Here's everything in a detailed defence framework that we recommend:

  • Continuous     Assessment: Use resilient methods to stay aware of security     vulnerabilities and threats [11]
  • Automated     Monitoring: Set up up-to-the-minute monitoring tools to detect threats     and profile vendor risks [12]
  • Risk     Classification: Sort vendors and third parties by how critical they     are to business and their system access levels [13]
  • Incident     Response Planning: Create clear protocols to act fast during security     events [14]

Organisations that use continuous monitoring solutions get better coverage and threat detection capabilities [12]. Automated tools can significantly improve security posture stability. They come with features like automated alerts that remind you to reassess vendors and track changes in risk profiles [15].

Security improves when cyber risk intelligence platforms work together with third-party incident prevention systems. This approach is avital part of security because our data shows that third-party attack vectors cause at least 29% of breaches [16].

Clear guidelines for vendor management make this framework stronger. Companies should run full security audits, look at past security incidents, and check security certifications like ISO 27001 and SOC 2 [17].Companies that follow these steps show better defence against supply chain cyber-attacks.

Conclusion

Modern organisations face grave dangers from third-party security risks, but many don't deal with these vulnerabilities. Our observations through multiple assessments and advisory services show why companies must move away from traditional security methods toward detailed, proactive defence strategies.

Our analysis explained several vital insights:

  • Third-party     breaches impact 98% of organisations, making this everyone's concern
  • Traditional     assessment methods cannot detect actual security risks
  • Shadow     IT and legacy systems create significant security gaps
  • Proactive     defence frameworks that use continuous monitoring give better protection

Companies should know that third-party security goes beyond basic vendor assessments. The best results come from a balanced mix of automated monitoring, complete risk classification, and clear incident response plans.

Cyber threats keep evolving and target the weakest points in our security chain. Our research shows that organisations using detailed third-party security measures better protect their assets and maintain stakeholder trust. Companies must now focus on these often-ignored vulnerabilities to build security systems that truly last.

References

[1] - https://www.securitymagazine.com/articles/100447-third-party-attack-vectors-are-responsible-for-29-of-breaches
[2] - https://autobahn-security.com/2023/03/28/top-13-cyber-attack-vectors/
[3] - https://www.finsia.com/news-hub/infinance/asic-sounds-alarm-cybersecurity-third-party-exposure
[4] - https://www.weforum.org/stories/2024/02/how-to-secure-the-modern-cyber-supply-chain-and-surge-in-third-party-risks-amid-ai-automation/
[5] - https://www.isaca.org/resources/news-and-trends/industry-news/2023/third-party-risk-management-the-security-blind-spot-no-one-wants-to-discuss
[6] - https://www.ibm.com/topics/shadow-it
[7] - https://www.cyber.gov.au/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/legacy-it-management/managing-the-risks-of-legacy-it-practitioner-guidance
[8] - https://cybelangel.com/top-3-cybersecurity-blind-spots-in-your-third-party-ecosystem-what-you-can-do-about-them/
[9] - https://www.zscaler.com/blogs/product-insights/new-vpn-risk-report-third-party-access-identified-huge-risk-organisations
[10] - https://www.sygnia.co/solutions/proactive-defence/
[11] - https://csrc.nist.gov/glossary/term/information_security_continuous_monitoring
[12] - https://www.recordedfuture.com/threat-intelligence-101/risk-assessment-management/third-party-risk-management
[13] - https://www.riskinsight-wavestone.com/en/2020/11/how-to-define-an-effective-third-party-cyber-risk-management-strategy/
[14] - https://www.cyber.gov.au/sites/default/files/2023-03/ACSC Cyber Incident Response Plan Guidance_A4.pdf
[15] - https://www.upguard.com/blog/third-party-risk-assessment-best-practises
[16] - https://securityscorecard.com/wp-content/uploads/2024/03/REPORT-CISO-Playbook-Third-Party-Cyber-Incident-Response-v3.pdf
[17] - https://www.stanfieldit.com/third-party-cyber-risk/ 

Recent blog

View all blog