Abstract
As the kind of IT service on the internet is more and more diversifying and increasing, IT service's adverse effects also consistently occurring. Among them the incident of private information exposure is becoming social issues, especially the exposure of private information entered on-line resume is very serious. This paper investigates whether or not data is encrypted in data transfer section of major on-line job-search sites of Korea by using the packet analyzer such as "Wireshark." This paper judges whether or not the vulnerability, private information exposure, exists from the result of the investigation above and suggests countermeasures.
