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Built on open-source software under the MIT licence. Map data from Natural Earth, NASA GIBS, Protomaps and OpenStreetMap contributors.

© 2026 Black Shard Pty LtdABN 66 696 910 773

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Cyber incidents in Japan, last 30 days · Black Shard

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Japan

Updated 13 Nov 2026, 11:07 UTC

Cyber incidents in Japan

Every incident reported here in the last 30 days, newest first, each linked to its sources.

See it on the live map Am I affected?

2

Organisations named in incidents, last 30 days

30 days agoToday

Confirmed: 0; By the victim or a regulator
Reported: 1; By the press
Claimed: 1; Only by the attackers

Most hit sectors

Education1

Groups named

Safepay1

Updated 13 Nov 2026, 11:07 UTC, 32 of 36 sources answering.

Incidents in Japan

Newest first

Wednesday 11 Nov1

37.6Reported:1 reportCyberattack reportedJapan

Monday 26 Oct1

jumonji-u.ac.jpClaimed:Leak-site claimClaimed by SafepayJapan

Leak-site claims tracked by RansomLook (ransomlook.io), CC BY 4.0, enriched by Black Shard. Media coverage indexed by the GDELT Project (gdeltproject.org).

Spotted an error? Report a correction. Is your organisation listed? Send us a statement.

Monthly archive

4 organisations here in 12 months

November 2026, all countries
October 2026, all countries

Elsewhere

This month

United States37
Germany6
France5
Malaysia4
United Arab Emirates3
Canada3
United Kingdom3
Australia2
Poland2
India2
Spain2
Indonesia2
Belgium2
Vietnam2
Mexico2
Taiwan2

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24/7 incident line1800 370 270Call first, then work through the first-hour steps.

Black Shard builds and defends the systems organisations run on.

Talk to us Black Shard on LinkedIn, opens in a new tab

Threat map

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Am I affected?
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New CVEs
Australia
By country
By sector
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Monthly archive
RSS feed

Black Shard

Platform
Jetstone
Services
Solutions
Why Black Shard
Resources
Company

24/7 incident line

1800 370 270 Experienced a breach? Start here.

Sources and licences

CISA Known Exploited Vulnerabilities, NVD, CVE.org, CIRCL Vulnerability-Lookup, GitHub Advisory Database (CC BY 4.0), OSV (CC BY 4.0), RansomLook (CC BY 4.0, enriched by Black Shard), SEC EDGAR, HHS breach portal, Have I Been Pwned (CC BY 4.0), Texas Attorney General, California Attorney General, Delaware Department of Justice, Vermont Attorney General, GDELT Project, Cloudflare status, abuse.ch SSLBL (CC0), CISA ICS advisories, NCSC UK (OGL v3.0), CERT-EU (CC BY 4.0), NCSC New Zealand (CC BY 4.0), MISP galaxy (CC0), OAIC determinations (CC BY 4.0), abuse.ch Feodo Tracker (CC0), Spamhaus DROP (Spamhaus DROP terms), blocklist.de, CINS Army, CERT-FR (Licence Ouverte 2.0), Red Hat Security Data (CC BY 4.0), ENISA EUVD, Microsoft MSRC, JVN iPedia, FIRST EPSS, IODA, GeoNames (CC BY 4.0), Natural Earth, Wikidata, Regional Internet Registries (delegation statistics), Protomaps, OpenStreetMap contributors (ODbL), NASA GIBS. Items link to their sources, except leak-site claims, which are never linked. This product uses the NVD API but is not endorsed or certified by the NVD.

Built on open-source software under the MIT licence. Map data from Natural Earth, NASA GIBS, Protomaps and OpenStreetMap contributors.

© 2026 Black Shard Pty LtdABN 66 696 910 773

Privacy
Cookies
Terms
Vulnerability disclosure

Live map
Am I affected?
Daily brief
New CVEs

Live map
Am I affected?
Daily brief
New CVEs

Newly exploited

ExploitedMicrosoft OfficeCVE-2026-1241943d ago
ExploitedOpenwave Messaging Limited Webtop Media TranscoderCVE-2026-1117933d ago
ExploitedCisco BroadWorksCVE-2026-203203d ago
ExploitedBarracuda Networks Multiple ProductsCVE-2026-1115603d ago
ExploitedBarracuda Email Security Gateway (ESG)CVE-2026-1166063d ago
ExploitedGoogle ChromiumCVE-2026-1253503d ago
ExploitedGPUStackCVE-2026-1028954d ago
ExploitedOpenBSD OpenSSHCVE-2026-1231584d ago