An incident occurred in which some members' personal information was leaked after abnormal external access to Yonsei University's Yonsei Portal Service. The university officially acknowledged the incident and prepared procedures for confirming damage and responding through an apology and a separate notice.

■ Incident Overview... Abnormal External Access to Yonsei Portal

On the 22nd, Yonsei University's Office of Information Technology announced through a notice disclosed to its members that it had confirmed the leak of some members' personal information due to abnormal external access to the Yonsei Portal Service. In the notice, Yonsei University officially acknowledged the incident, stating, "We deeply bow our heads and apologize for informing you of this unexpected personal information leak."

■ Confirmation of Leak and Damage Response from 1 PM on the 22nd

The university separately prepared a notice and apology regarding the personal information leak. Through this, members can check whether their personal information was leaked and which items were affected. Confirmation of leaked items and contact with the damage response call center will be available from 1 PM on October 22.

■ Beware of Text Messages Containing Links... "The University Does Not Send Them"

Yonsei University also urged caution regarding text messages that exploit this personal information leak. The university stated, "Our university does not send text messages containing links related to this incident." This means members should be wary of messages impersonating the university or inducing access to external internet addresses under the pretext of the personal information leak.

■ Number of Affected Individuals, Method, and Time of Incident Not Disclosed

The notice only states that the incident occurred due to abnormal external access to the Yonsei Portal Service. The specific number of individuals affected, the personal information items involved, the technical methods used for the external access, and the time of the incident were not disclosed. Based on the notice alone, it is also impossible to confirm whether passwords were leaked or how the personal information was actually used externally. Members need to check their leaked personal information items through the university's official notice.

[This article was written based on the personal information leak notice released by Yonsei University's Office of Information Technology. The scale of damage, leaked items, and cause of the incident not specified in the notice were not asserted as confirmed facts. AI provided partial assistance.]