Google Chrome Most Resilient Against Attacks, Researchers Find (helpnetsecurity.com)

Between Google Chrome, Microsoft Edge, and Internet Explorer, Chrome has been found to be the most resilient against attacks, an analysis by security researchers has found. Firefox, Safari, and Opera were not included in the test. From a report: "Modern web browsers such as Chrome or Edge improved security in recent years. Exploitation of vulnerabilities is certainly more complex today and requires a higher skill than in the past. However, the attack surface of modern web browsers is increasing due to new technologies and the increasing complexity of web browsers themselves," noted Markus Vervier, Managing Director of German IT security outfit X41 D-Sec (and one of the researchers involved in the analysis). The researchers' aim was to determine which browser provides the highest level of security in common enterprise usage scenarios.

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Important paragraph from the intro

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There's an important paragraph in the introduction:

The analysis has been sponsored by Google. X41 D-Sec GmbH accepted this sponsorship on the condition that Google would not interfere with our testing methodology or control the content of our paper. We are aware that we could unconsciously be biased to produce results favorable to our sponsor, and have attempted to eliminate this by being as transparent as possible about our decision-making processes and testing methodologies.

You can read the paper yourself to determine whether they succeeded at avoiding biasing their results. One up-front question is why they didn't include Firefox. Based on public vulnerabilities and Pwn2Own and similar competitions, FF is less secure than Chrome, but often better than Edge. Safari tends to trail by a large margin, so its exclusion doesn't surprise me, nor does the exclusion of Opera and other browsers with very small market share.