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Nearly every company does business with — or uses the products of — a third party that has suffered a compromise, thus increasing their security risks.
That’s according to data science firm Cyentia Institute, which has issued an analysis that includes external measurements of security from more than 230,000 organizations provided by cybersecurity risk-management firm SecurityScorecard. It found that the average firm had around 10 third-party relationships, and hundreds of indirect fourth-party relationships, with the typical firm having 60 to 90 times more fourth parties than third parties. Nearly all firms (98%) had at least one third-party partner who had suffered a breach, the report stated.
The IT sector has the most third parties, with an average of 25, while the finance sector had the fewest, at 6.5. Those numbers quickly balloon when fourth-party relationships are included, as did their risk. The average firm has an indirect relationship with 200 fourth parties that have had a breach, the analysis found.
The research underscores the sprawling nature of third- and fourth-party relationships for corporations, and the dramatic increase in risk that they can cause, says Wade Baker, founder and partner at the Cyentia Institute.
“Risk goes downhill,” he says. “The first parties are more likely to have good security [risk] scores than their third parties, and with fourth parties, the numbers really explode. You need to expect [these firms and products] to not be up to your standards for security.”
That’s because while many organizations have become more mature regarding their own cyber risks, few are cognizant of the extended risks, Cyentia and SecurityScorecard stated in the analysis.
“Many organizations are still unaware of the dependencies and exposures inherent to third-party relationships, and simply focus on managing their own security posture,” the report stated. “Others are aware of those issues, but don’t make vendor decisions based on security and/or…
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