Internet Explorer scored a 99.2% protection score in the firm's most recent test of socially engineered malware distribution, with Google Chrome coming in a distant second with 13.2%.
Trailing behind it were Safari and Firefox tying with 7.6% each, and Opera pulling up last with 6.1%.
THREAT:
NSS tried to access URLs known to download malware to computers used by site visitors and kept track of whether browser protections warned or blocked against these sites using in-the-cloud databases of known malicious sites.
The report, "Web Browser Security, Socially Engineered Malware Protection," credits 's SmartScreen URL and Application Reputation features with landing the big score.