"NSS Labs has posted the results of its testing of the big six browsers for their ability to repel social engineering malware and phishing attacks. “The results are based upon empirically validated evidence gathered by NSS Labs during continuous 24x7 testing against fresh, live malicious sites” they said.
Social engineering threats caught:
-- Microsoft Internet Explorer v8 (81 percent)
-- Mozilla Firefox v3 (27 percent)
-- Apple Safari v4 (21 percent)
-- Google Chrome 2 (7 percent)
-- Opera 10 Beta (1 percent)
Phishing threats caught:
-- Microsoft Internet Explorer v8 (83 percent)
-- Opera 10 Beta (54 percent)
-- Google Chrome 2 (26 percent)
-- Apple Safari v4 (2 percent)
-- Mozilla Firefox v3 (not tested – crashed in tests)"
Full report
Comparative Browser Security Testing - Phishing & Socially Engineered Malware*-*nsslabs.com
Didn't have time to read the full report, but interesting results if they're accurate.