https://yedu.kr/

Scan ID:
70b054aa-df1b-4f33-ba82-78c3c1bb342fFinished
Submitted URL:
https://yedu.kr/
Report Finished:

Risks · 0 found

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Practices that may pose security risks

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Security Headers · 2 found

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HTTP response headers that can harden the security of a web application

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NameValueSupportInfo
Strict-Transport-Security—GoodDeclare that a website is only accessible over a secure connection (HTTPS).

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X-Frame-Options—GoodIndicate whether a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>.

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X-Content-Type-OptionsnosniffGoodIndicate that the MIME types advertised in the Content-Type headers should be followed and not be changed.

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Content-Security-Policy—GoodControl resources the user agent is allowed to load for a given page.

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Referrer-Policystrict-origin-when-cross-originGoodControl how much referrer information should be included with requests.

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Clear-Site-Data—GoodControl the data stored by a client browser for their origins.

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X-Permitted-Cross-Domain-Policies—GoodControl whether a web client such as Adobe Flash Player or Adobe Acrobat has permission to handle data across domains.

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Permissions-Policy—NewAllow and deny the use of browser features in a document or iframe.

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Cross-Origin-Embedder-Policy—NewConfigure embedding cross-origin resources into the document.

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Cross-Origin-Opener-Policy—NewEnsure a top-level document does not share a browsing context group with cross-origin documents.

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Cross-Origin-Resource-Policy—NewRequest that the browser blocks no-cors cross-origin/cross-site requests to the given resource.

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X-XSS-Protection—DeprecatedDeprecated. Stops pages from loading when they detect reflected cross-site scripting (XSS) attacks.

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Feature-Policy—DeprecatedDeprecated. Replaced by the Permissions-Policy header.

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Expect-CT—DeprecatedDeprecated. Opt in to reporting and/or enforcement of Certificate Transparency requirements.

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Public-Key-Pins—DeprecatedDeprecated. Allows HTTPS websites to resist impersonation by attackers using mis-issued or otherwise fraudulent certificates.

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Security Violations · 0 found

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Requests or resources offending security policies

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Certificates · 9 found

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SSL/TLS Certificates enable websites to encrypt transactions between the client and the server and provide server identity verification

SubjectIssue dateExpiry date
yedu.krAug 23, 2024, 12:12:01Nov 21, 2024, 12:12:00
jsdelivr.netJul 30, 2024, 15:36:05Aug 31, 2025, 15:36:04
edgestatic.comSep 30, 2024, 14:35:36Dec 23, 2024, 14:35:35
cloudflareinsights.comSep 3, 2024, 08:38:23Dec 2, 2024, 08:38:22
wcs.naver.netOct 3, 2024, 00:00:00Oct 3, 2025, 23:59:59
ssl.pstatic.netJul 18, 2024, 00:00:00Jul 17, 2025, 23:59:59
wcs.naver.comAug 1, 2024, 00:00:00Aug 14, 2025, 23:59:59
*.naver.comFeb 27, 2024, 00:00:00Mar 15, 2025, 23:59:59
*.google.comSep 30, 2024, 14:36:26Dec 23, 2024, 14:36:25