Google Safe Browsing 20/9/2012:
This site is not currently listed as suspicious.
Part of this site was listed for suspicious activity 27 time(s) over the past 90 days.
Of the 2034 pages we tested on the site over the past 90 days, 97 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2012-09-19, and the last time suspicious content was found on this site was on 2012-09-18.
Malicious software includes 161 scripting exploit(s), 20 trojan(s), 12 exploit(s). Successful infection resulted in an average of 3 new process(es) on the target machine.
Malicious software is hosted on 25 domain(s).
6 domain(s) appear to be functioning as intermediaries for distributing malware to visitors of this site.
Over the past 90 days, psu.ac.th appeared to function as an intermediary for the infection of 1 site(s).
Yes, this site has hosted malicious software over the past 90 days. It infected 0 domain(s).
AVG Threat Labs 20/9/2012:
Surf with caution!
During the last 7 days potentially active threats were detected on a subdomain. However, no threats were detected on the main site.
Norton Safe Web 20/9/2012: OK
McAfee SiteAdvisor 20/9/2012: OK
Webutation 20/9/2012: 100/100.