Google Threat Intelligence Releases 2024 Zero-Day Exploitation Analysis

Figure 1: Visual representation of the BeyondTrust vulnerability chain

Google Cloud published "Hello 0-Days, My Old Friend: A 2024 Zero-Day Exploitation Analysis" through its threat intelligence blog on April 29, 2025. The report represents the continuation of an annual analysis previously published by Mandiant before its acquisition by Google.

The analysis catalogs zero-day vulnerabilities exploited in the wild during 2024, meaning vulnerabilities that attackers used before the affected vendor released a patch. The report includes data on the types of products targeted, the sophistication of exploitation techniques, and attribution where possible.

Hacker News discussions of the report appeared on both April 29 and May 1, 2025, indicating interest from the security and technology communities. The report title references the pattern of recurring zero-day exploitation that security researchers have documented across multiple years.

The Google Threat Intelligence report makes several analytical claims based on observed exploitation data:

Enterprise software targeting: According to the report, enterprise software products continued to represent a significant portion of zero-day exploitation in 2024. Security products, network appliances, and enterprise applications faced particular attention from sophisticated threat actors.

Security product exploitation: The analysis documents cases where security products themselves became exploitation targets, creating situations where defensive tools introduced additional attack surface.

Exploitation sophistication: The report describes varying levels of technical sophistication in observed zero-day exploitation, from relatively simple techniques to complex chains requiring deep product knowledge.

Attribution patterns: Where attribution was possible, the report identifies threat actors associated with nation-state programs as responsible for a substantial portion of sophisticated zero-day exploitation.

The specific vulnerability counts, product breakdowns, and detailed attribution data are contained in the full report published on Google Cloud's blog.

Figure 2: How the authentication bypass vulnerability works

Defensive prioritization: Security teams can use the report's data to prioritize patching and monitoring for product categories that face elevated exploitation risk.

Vendor accountability: Public documentation of zero-day exploitation patterns creates pressure on vendors to improve security practices and reduce time-to-patch.

Threat intelligence sharing: The report contributes to the broader security community's understanding of attacker behavior and capability evolution.

Investment guidance: Organizations making security investment decisions can reference the data when evaluating which defensive capabilities to prioritize.

Visibility limitations: The report reflects Google's visibility into threat activity, which, while extensive, does not capture all zero-day exploitation globally. Some exploitation may occur without detection.

Attribution uncertainty: Attribution of zero-day exploitation to specific threat actors involves analytical judgments that carry inherent uncertainty, particularly for sophisticated operations designed to obscure origins.

Retrospective analysis: The report documents 2024 exploitation, meaning the data describes past attacker behavior that may have evolved by the time of publication.

Actionability gaps: While the report identifies patterns, translating those patterns into specific defensive actions requires additional context about individual organizations' environments.

Publication timing: The delay between exploitation and public reporting means some vulnerabilities discussed may have been patched for months before the analysis appeared.

Figure 3: Privilege escalation from user to SYSTEM level

Zero-day vulnerabilities are security flaws that attackers exploit before the affected vendor knows about the problem or has released a patch. The term "zero-day" refers to the zero days of warning defenders have before exploitation begins.

Google's Threat Intelligence team identifies zero-day exploitation through multiple channels: incident response engagements where Mandiant consultants investigate breaches, telemetry from Google's security products, information sharing with other security organizations, and analysis of malware and exploitation tools discovered in the wild.

The annual analysis aggregates these observations to identify patterns. Researchers categorize vulnerabilities by product type, exploitation technique, and where possible, the threat actors responsible. The resulting report provides a statistical and analytical view of the zero-day landscape.

Technical context for practitioners: Zero-day exploitation often involves memory corruption vulnerabilities, authentication bypasses, or logic flaws that allow code execution or privilege escalation. The specific technical details of individual vulnerabilities are typically published separately through CVE advisories and vendor security bulletins.

The annual zero-day analysis has become an important reference point for the security industry. The data influences how vendors prioritize security investments, how enterprises evaluate product risk, and how the security community understands attacker capability evolution.

The continued prominence of enterprise software and security products in zero-day targeting reflects attacker economics: compromising a widely-deployed enterprise product can provide access to many high-value targets through a single vulnerability. Security products represent particularly attractive targets because they often run with elevated privileges and may be trusted by other security controls.

The report's publication also reflects the consolidation of threat intelligence capabilities within major cloud providers. Google's acquisition of Mandiant combined one of the industry's most respected incident response practices with Google's infrastructure-scale visibility into global network activity.

Confirmed:

• Google Cloud published the 2024 zero-day exploitation analysis on April 29, 2025
• The report continues the annual analysis previously published by Mandiant
• Enterprise software and security products featured prominently in 2024 exploitation
• The analysis draws on Google's threat intelligence capabilities including Mandiant

Unconfirmed or unclear:

• Specific vulnerability counts and product breakdowns (contained in full report)
• Complete attribution for all documented exploitation
• Whether 2024 exploitation volumes increased or decreased compared to previous years
• The full scope of zero-day exploitation that may have occurred without detection

• Vendor responses to specific vulnerabilities highlighted in the report
• Comparison of 2024 data to previous years' analyses for trend identification
• Security product vendors' responses to findings about security tool exploitation
• Enterprise adoption of defensive measures aligned with the report's findings
• Follow-up technical analyses of specific vulnerability classes mentioned
• Industry discussion of the report's methodology and conclusions

1. Google Cloud Blog - 2024 Zero-Day Trends (April 29, 2025): https://cloud.google.com/blog/topics/threat-intelligence/2024-zero-day-trends
2. Hacker News Discussion - April 29, 2025: https://news.ycombinator.com/item?id=43832312
3. Hacker News Discussion - May 1, 2025: https://news.ycombinator.com/item?id=43864539