Is portal.yonsei.ac.kr safe?
http://portal.yonsei.ac.kr/
Checked on
How we checked
Coverage: strong · 4 of 6 applicable core capabilities
- Antivirus (57 of 91 engines answered) · saved result: did not fully complete
- Google Safe Browsing: completed
- page reading · limited: did not fully complete
- page capture: completed
- domain records: completed
- web research: completed
Official Yonsei University academic portal with clean technical checks and no observed commercial risk
portal.yonsei.ac.kr is the academic information portal of Yonsei University, a major private research university in Seoul, South Korea, used by students, graduates and faculty for academic services and ID management. The parent domain yonsei.ac.kr is 12194 days old, the saved TLS check found a valid encrypted connection, and the browser threat feed returned no threat warning. No commercial calls to action, affiliate relationships or cross-domain order paths were observed, and the hosting IP carries an abuse confidence score of 0/100 across 0 saved reports. The site's own contact details were not reviewed because the page text was not read in full, which limits how much of the operator's own copy we can quote, but nothing adverse was found.
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Preparing the saved page preview.
Where this site sits
- Dangerous1–20
- High Risk21–44
- Moderate Risk45–69
- Low Risk70–84
- Safe85–100
The score combines saved evidence strength and analysis quality. Coverage is reported separately.
Why 88/100
Safe covers scores 85–100. No adverse finding was saved; 3 pushed it up.
What pulled the score down
No adverse finding was saved with this report.
What pushed the score up
- SupportsThe parent domain yonsei.ac.kr is 12194 days old, consistent with a long-established university.
- SupportsThe browser threat feed returned no threat warning.
- SupportsThe saved TLS check found a valid encrypted connection.
Community reviews never change the Safety Score.
01 · Investigation Brief
Investigation Brief
portal.yonsei.ac.kr is the academic information portal of Yonsei University, a major private research university in Seoul, South Korea, used by students, graduates and faculty for academic services and ID management. The parent domain yonsei.ac.kr is 12194 days old, the saved TLS check found a valid encrypted connection, and the browser threat feed returned no threat warning. No commercial calls to action, affiliate relationships or cross-domain order paths were observed, and the hosting IP carries an abuse confidence score of 0/100 across 0 saved reports. The site's own contact details were not reviewed because the page text was not read in full, which limits how much of the operator's own copy we can quote, but nothing adverse was found.
Clean technical and hosting signals
The saved TLS check found a valid encrypted connection, so traffic to the portal is protected in transit, and the browser threat feed returned no threat warning for the site.
The hosting IP has an abuse confidence score of 0/100 across 0 saved reports, which is consistent with ordinary institutional hosting rather than a known abuse source.
Long-established institutional domain
The registrable parent domain yonsei.ac.kr is 12194 days old, which fits a long-standing university rather than a newly created lookalike; this age applies to the parent domain, not to how long this particular subdomain has existed.
The saved visual capture shows a browser-optimisation notice labelled with the Yonsei University name and the portal.yonsei.ac.kr host, matching the expected academic portal identity.
What was not reviewed
The site's own contact details were not reviewed because the page text was not read in full, so we cannot quote the portal's contact information directly; this is a coverage gap, not a finding of harm.
Why the score is 88
The saved checks and analysis found no material threat. Coverage remains separate so missing sources cannot be mistaken for clean results.
02 · Security Evidence
Security evidence
Antivirus Engines
0/ 91
No detectionsSaved analysis from September 11, 2026 - stale
No detections across 57 engines that rated this URL
No antivirus engine that answered raised an adverse result; 34 had no rating for this URL. This is one signal, not a guarantee.
- Malicious
- 0
- Suspicious
- 0
- Total
- 91
All 91 engine results
- 0xSI_f33d - Unrated
- Abusix - Clean
- Acronis - Clean
- ADMINUSLabs - Clean
- AILabs (MONITORAPP) - Clean
- AlienVault - Clean
- alphaMountain.ai - Unrated
- AlphaSOC - Unrated
- Antiy-AVL - Clean
- ArcSight Threat Intelligence - Unrated
- AutoShun - Unrated
- Bfore.Ai PreCrime - Unrated
- BitDefender - Clean
- Bkav - Unrated
- BlockList - Clean
- Blueliv - Clean
- Certego - Clean
- ChainPatrol - Unrated
- Chong Lua Dao - Clean
- CINS Army - Clean
- CRDF - Clean
- Criminal IP - Unrated
- CSIS Security Group - Unrated
- CTX AI - Clean
- Cyan - Unrated
- Cyble - Clean
- CyRadar - Clean
- desenmascara.me - Clean
- DNS8 - Unrated
- Dr.Web - Clean
- EmergingThreats - Clean
- Emsisoft - Clean
- Ermes - Unrated
- ESET - Clean
- ESTsecurity - Clean
- Forcepoint ThreatSeeker - Clean
- Fortinet - Clean
- Fortra - Unrated
- G-Data - Clean
- GCP Abuse Intelligence - Unrated
- Google Safe Browsing - Clean
- GreenSnow - Clean
- GreyNoise - Unrated
- Gridinsoft - Unrated
- Guardpot - Unrated
- Heimdal Security - Clean
- Hunt.io Intelligence - Unrated
- IPsum - Clean
- Juniper Networks - Clean
- K7AntiVirus - Unrated
- Kaspersky - Clean
- LevelBlue - Unrated
- Lionic - Clean
- Lumu - Unrated
- Malwared - Clean
- MalwarePatrol - Clean
- MalwareURL - Unrated
- Mimecast - Unrated
- Netcraft - Unrated
- OpenPhish - Clean
- PhishFort - Unrated
- Phishing Database - Clean
- Phishtank - Clean
- PREBYTES - Clean
- PrecisionSec - Unrated
- Quick Heal - Clean
- Quttera - Clean
- Rising - Clean
- SafeToOpen - Unrated
- Sangfor - Clean
- Sansec eComscan - Unrated
- Scantitan - Clean
- SCUMWARE.org - Clean
- Seclookup - Clean
- Snort IP sample list - Unrated
- SOCRadar - Unrated
- Sophos - Clean
- StopForumSpam - Clean
- Sucuri SiteCheck - Clean
- ThreatHive - Clean
- URLhaus - Clean
- URLQuery - Unrated
- Viettel Threat Intelligence - Clean
- VIPRE - Unrated
- ViriBack - Clean
- VX Vault - Clean
- Webroot - Clean
- Xcitium Verdict Cloud - Clean
- Yandex Safebrowsing - Clean
- ZeroCERT - Clean
- ZeroFox - Unrated
How security vendors categorise this site
- BitDefendereducation
- Forcepoint ThreatSeekereducational institutions
- Googleeducation
- Sophoseducational institutions
Each vendor’s own label for the site, saved with the antivirus result. Labels are separate from the engine verdicts above and can disagree with each other.
Security Scans
Checked against the browser threat feeds available to this scan — no hit.
What we observed
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Preparing the saved page preview.
Visual context from the captured page
브라우저 최적화 안내
What the captured page showed
1 observation- 01
브라우저 최적화 안내
What the page says about itself
What the site says about itself, quoted from the pages we read. The site wrote these words; they are not our findings.
- Page title
WELCOME
Pages we read
- Main page/Read
03 · Investigation Story
Investigation story
What the site claims
WELCOME
What we observed
The page content was captured and checked alongside 57 antivirus results.
What independent research found
The search completed without a material external warning or corroborating report.
What remains unverified
2 of the 6 applicable core capabilities did not complete, so those gaps remain visible in the coverage ledger.
What kind of site and risk is this?
Threat category
No threat category confirmed
Service and business model
Content
Observed behavior
Evidence behind this classification
- 01The parent domain yonsei.ac.kr is 12194 days old, consistent with a long-established university.
- 02The hosting IP has an abuse confidence score of 0/100 across 0 saved reports.
- 03The site's own contact details were not reviewed because the page text was not read in full.
Web research findings
Independent findings for portal.yonsei.ac.kr, including public complaints, named review sources, registration records, and look-alike-domain evidence. A missing result is shown as unverified, never converted into a clean bill of health.
No independently sourced scam reports or credibility records were found for portal.yonsei.ac.kr. That is common for new or low-traffic sites and does not clear the site.
Reputation Sources
How this domain rates across independent threat-intelligence and blocklist providers.
04 · Domain & Infrastructure
Domain & infrastructure
The plumbing behind the site — who registered it, how it’s encrypted, where it’s hosted, and where it links out. A valid certificate or a calm server doesn’t mean the business is honest — scam sites pass these checks too. Use this to corroborate the verdict, not to overturn it.
Infrastructure map
How the saved page connected to the wider web.
- Domainportal.yonsei.ac.kr
- Redirects toportal.yonsei.ac.kr
- Hosted byNAVER Cloud Corp.(NCP)
Domain Timeline
- Jun 7, 1993Domain registered
First appeared in WHOIS records — 33 years old when this review was saved.
- Oct 27, 2026Saved security review — Rated Safe
This saved scan found no active threat signals in the checks it completed.
portal.yonsei.ac.kr has operated for years with no threat signals in this review — a long, stable track record, though it is never a guarantee on its own.
Contact Verification
Saved contact details can help identify the operator. Their presence supports traceability; it does not prove the business is trustworthy.
Domain & Encryption
Certificate issued for *.yonsei.ac.kr.
Payment providers the page loads
None seen among the outside domains we saved.
Read from the first 20 outside domains the page loads and the shop platform it uses; the web server and platform rows are under Hosting & Technology. A payment script on the page does not prove the shop accepts that method at checkout, or that you are protected.
Redirect Chain
- 1301http://portal.yonsei.ac.kr/
- 2206https://portal.yonsei.ac.kr/
Server Reputation
05 · Evidence Ledger
Evidence ledger
- Antiviruspartial
- Browser threat feedcomplete
- Page contentpartial
- Analysiscomplete
- Visual evidencecomplete
The conclusion is supported by the evidence saved with this report.
Technical threat
unknownMalware, phishing, credential theft and hostile infrastructure.
No confirmed evidence in this dimension.
Operator / customer risk
unknownComplaints, withdrawals, business conduct and commercial traps.
No confirmed evidence in this dimension.
Source coverage and freshness
Status shows whether usable evidence was saved; finding shows what that evidence observed.
| Source | Result | Completion | Finding | Freshness |
|---|---|---|---|---|
| Antivirus | 0 of 91 engines flagged | Limited | No saved finding | stale fallback · analysed Sep 11, 2026 |
| Browser protection | No browser threat-list match | Completed | No adverse finding | this scan · Oct 27, 2026 |
| Page content | Page fetched · HTTP 200 | Limited | No saved finding | this scan · Oct 27, 2026 |
| Visual evidence | 1 visible observation saved with the page capture | Completed | No adverse finding | this scan · Oct 27, 2026 |
| Independent research | The search completed without a material external finding | Completed | No adverse finding | this scan · Oct 27, 2026 |
- Antivirus
- Result0 of 91 engines flagged
- CompletionLimitedFindingNo saved finding
- Freshnessstale fallback · analysed Sep 11, 2026
- Browser protection
- ResultNo browser threat-list match
- CompletionCompletedFindingNo adverse finding
- Freshnessthis scan · Oct 27, 2026
- Page content
- ResultPage fetched · HTTP 200
- CompletionLimitedFindingNo saved finding
- Freshnessthis scan · Oct 27, 2026
- Visual evidence
- Result1 visible observation saved with the page capture
- CompletionCompletedFindingNo adverse finding
- Freshnessthis scan · Oct 27, 2026
- Independent research
- ResultThe search completed without a material external finding
- CompletionCompletedFindingNo adverse finding
- Freshnessthis scan · Oct 27, 2026
07 · Safety FAQ
Safety FAQ
Common questions, answered directly from the scan data above — so the answers reflect the saved verdict and evidence in this report.
Is portal.yonsei.ac.kr legit and safe?
Is portal.yonsei.ac.kr safe to use?
Could a legitimate site like portal.yonsei.ac.kr still be used in a scam?
Has portal.yonsei.ac.kr been flagged by antivirus engines?
Is portal.yonsei.ac.kr on any phishing or malware blacklists?
How old is the portal.yonsei.ac.kr domain?
Does portal.yonsei.ac.kr have a valid SSL certificate?
Where is portal.yonsei.ac.kr hosted?
How often is the portal.yonsei.ac.kr report updated?
08 · Final Verdict
Final verdict
Official Yonsei University academic portal with clean technical checks and no observed commercial risk
portal.yonsei.ac.kr is the academic information portal of Yonsei University, a major private research university in Seoul, South Korea, used by students, graduates and faculty for academic services and ID management. The parent domain yonsei.ac.kr is 12194 days old, the saved TLS check found a valid encrypted connection, and the browser threat feed returned no threat warning. No commercial calls to action, affiliate relationships or cross-domain order paths were observed, and the hosting IP carries an abuse confidence score of 0/100 across 0 saved reports. The site's own contact details were not reviewed because the page text was not read in full, which limits how much of the operator's own copy we can quote, but nothing adverse was found.
09 · Community
Community
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