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Google Highlights Escalating Zero-Days in 2023 Analysis

Executive Summary

Google recently released its 2023 report on zero-day vulnerabilities, revealing a concerning surge over the past year. It combines insights from its Threat Analysis Group (TAG) and Mandiant research teams.

The report entitled “We’re All in this Together” highlights a significant increase of over 50% in detected zero-day vulnerabilities. It also emphasizes a considerable rise in threats that target third-party components.

The rise, particularly in zero-day vulnerabilities that target enterprise-focused technologies, indicates a complex and growing cybersecurity battleground.

Please see the key highlights from the report below.

Google Zero-Day 2023: A Rising Challenge

The Google’s zero-day 2023 report accentuates a strategic shift by attackers towards third-party components and libraries, leveraging such vulnerabilities for a wider impact across multiple products. Critical insights from the report include:

  • Vendor Investments Making a Difference: According to the report, leading vendors’ advancements in security measures have effectively reduced the exploitability of certain vulnerabilities. Initiatives like Google’s MiraclePtr and Apple’s Lockdown mode stand out as key examples.
  • Shift to Third-Party Components: Researchers have observed a notable rise in zero-day vulnerabilities targeting third-party components and libraries. Clearly, these exploits can impact more than one product. Here are some notable examples:
  • Increase in Enterprise Targeting: The report documents a 64% increase in zero-day vulnerabilities affecting enterprise technologies. Consequently, this reflects a broader and more diversified targeting strategy by cyber threat actors, aiming at high-value enterprise environments.
Figure 4 in the report: Number of unique enterprises vendors targeted
Threat Actors and Their Motivations
  • Commercial Surveillance Vendors (CSVs) Lead Exploitation: The role of CSVs in exploiting zero-day vulnerabilities, especially targeting Google products and the Android ecosystem, underscores a shift towards commercial surveillance and espionage, responsible for a significant portion of the zero-day exploits.
  • PRC Dominance: The prominence of China in state-backed zero-day exploits is highlighted, with an increase in the number of exploits attributed to the country. This underscores the global dimension of cybersecurity threats and the importance of international security collaboration.
  • Financially Motivated Activity: In general, zero-days attributed to financially motivated actors are declining. However, the continued activity of groups such as FIN11, who exploit multiple zero-days, reveals the diverse motivations behind cyberattacks.
Figure 5 in the report: Threat actor motivation

The Google zero-day 2023 report signals a need for ongoing vigilance and innovation in cybersecurity. The rise in zero-day vulnerabilities, particularly in third-party components, necessitates a unified effort in the tech industry for enhancement.

Understanding the varied motivations of threat actors will be crucial for developing more effective defense strategies. It’s clear that staying ahead of cyber threats will require both persistence and adaptability.



Cubic Lighthouse is a cybersecurity publication dedicated to demystifying security, making news actionable, providing deeper thinking about the fundamentals of security, and providing decision-makers and the community at large with the right information to make the right decisions. We will also feature more technical articles and provide personal/family security advice.

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