{"id":532,"date":"2025-06-01T22:25:00","date_gmt":"2025-06-02T02:25:00","guid":{"rendered":"https:\/\/www.softwareag.com\/?p=532"},"modified":"2026-03-17T14:14:49","modified_gmt":"2026-03-17T18:14:49","slug":"encryption-companies-and-authorities-report-cyberattacks","status":"publish","type":"post","link":"https:\/\/www.softwareag.com\/ja\/blog\/security\/encryption-companies-and-authorities-report-cyberattacks\/","title":{"rendered":"\u6697\u53f7\u5316\u306b\u3088\u308a\u3001\u4f01\u696d\u3084\u5f53\u5c40\u306f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u5831\u544a\u7fa9\u52d9\u3092\u514d\u308c\u308b"},"content":{"rendered":"

\u4f01\u696d\u3084\u516c\u7684\u6a5f\u95a2\u306f\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u30fb\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u901a\u5e38\u3001\u8ca1\u52d9\u30c7\u30fc\u30bf\uff08\u7d0d\u7a0e\u8a18\u9332\u3001\u9280\u884c\u53e3\u5ea7\u3001\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\uff09\u3001\u500b\u4eba\u30c7\u30fc\u30bf\uff08\u81ea\u5b85\u4f4f\u6240\u3001\u4eba\u4e8b\u30d5\u30a1\u30a4\u30eb\uff09\u3001\u88fd\u54c1\u30c7\u30fc\u30bf\u306a\u3069\u3001\u30d3\u30b8\u30cd\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u3067\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u60c5\u5831\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u901a\u5e38\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9\u3068\u7d71\u5408\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u793e\u5185\u5916\u306e\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u307e\u307e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

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\u8105\u5a01\u3092\u7279\u5b9a\u3059\u308b\u3002\u30b9\u30c8\u30ec\u30b9\u3084\u6642\u9593\u7684\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u306f\u5224\u65ad\u529b\u306e\u6b20\u5982\u3092\u62db\u304d\u3001\u5f93\u696d\u54e1\u306f\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u30df\u30b9\u3092\u72af\u3057\u3084\u3059\u304f\u306a\u308b\u3002<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

EU\u304a\u3088\u3073\u5168\u4e16\u754c\u3067\u306e\u767a\u751f\u4ef6\u6570\uff082023\u5e747\u6708\uff5e2024\u5e746\u6708\uff09<\/p>\n\n\n\n

An analysis of individual sectors reveals that the public sector is particularly hard hit, accounting for 19% of attacks, followed by the transport sector (11%) and banking and finance (9%). This is not surprising\u2014many still remember the high-profile cyberattacks targeting the German Bundestag, municipalities, university hospitals, Dutch law enforcement, and Spanish citizens and authorities.(3-8)<\/sup><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30bb\u30af\u30bf\u30fc - \u516c\u5171\u90e8\u9580\u304c\u6700\u3082\u5f71\u97ff\u3092\u53d7\u3051\u308b\uff01\uff082023\u5e747\u6708\uff5e2024\u5e746\u6708\uff09<\/p>\n\n\n\n

\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u3092\u30ab\u30c6\u30b4\u30ea\u30fc\u5225\u306b\u5206\u985e\u3059\u308b\u3068\u3001\u4e3b\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u76f4\u63a5\u306e\u8105\u5a01\u306f45%\u3067\u3001\u305d\u306e\u3046\u306119%\u304c\u30c7\u30fc\u30bf\u4fb5\u5bb3\u300126%\u304c\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u3067\u3042\u308b\u3002 (2)<\/sup>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8105\u5a01\u306e\u30bf\u30a4\u30d7\u5225\u5206\u6790<\/p>\n\n\n\n

Under Article 32 of the GDPR<\/strong>(9)<\/sup> (Security of Processing) the following is required: \u201c\u2026the controller and the processor shall implement appropriate technical and organizational measures to ensure a level of security appropriate to the risk.\u201d<\/p>\n\n\n\n

\u5177\u4f53\u7684\u306b\u306f\u3001\u300c\u500b\u4eba\u60c5\u5831\u306e\u4eee\u540d\u5316\u30fb\u6697\u53f7\u5316\u300d\u304c\u6709\u52b9\u306a\u624b\u6bb5\u3067\u3042\u308b\u3068\u3057\u3066\u3044\u308b\u3002 <\/p>\n\n\n\n

Additionally, the German Federal Office for Information Security<\/strong> (BSI) also recommends encryption as a key strategy to minimize the risk of IT operations in its BSI Standards(10)<\/sup> 200-1 to 200-4.<\/strong><\/p>\n\n\n\n

Under Article 33<\/strong> of the GDPR<\/strong>(9)<\/sup> (Notification of a personal data breach to the supervisory authority), companies are required to notify a personal data breach to the supervisory authority within 72 hours of becoming aware of the breach. The data controller must notify the relevant supervisory authority in accordance with Article 55 unless the break is unlikely to risk individuals\u2019 rights. If the notification is delayed beyond 72 hours, an explanation for the delay must be provided.<\/p>\n\n\n\n

 \u660e\u78ba\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001IT\u306e\u4e16\u754c\u3067\u306fGDPR\u306e\u5831\u544a\u8981\u4ef6\u306e\u6b63\u3057\u3044\u9069\u7528\u306b\u95a2\u3057\u3066\u4e0d\u78ba\u5b9f\u6027\u304c\u6b8b\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n

To clarify this, the European Data Protection Board<\/strong> (EDPB) has developed guidelines(11)<\/sup>, including case studies.<\/p>\n\n\n\n

In \u201cCASE No. 01: Ransomware with proper backup and without exfiltration<\/strong>,\u201d the following scenario is described:<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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 \u3053\u306e\u305f\u3081\u3001\u540c\u793e\u306f\u5f53\u5c40\u3084\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u500b\u4eba\u3078\u306e\u5831\u544a\u7fa9\u52d9\u304c\u306a\u304b\u3063\u305f\u3002<\/strong><\/p>\n\n\n\n

IT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u305f\u3081\u306e\u30b3\u30b9\u30c8\u3068\u3001\u8a55\u5224\u3001\u58f2\u4e0a\u3001\u9867\u5ba2\u306e\u4fe1\u983c\u3092\u5931\u3046\u53ef\u80fd\u6027\u3092\u6bd4\u8f03\u3059\u308c\u3070\u3001\u7a4d\u6975\u7684\u306a\u6295\u8cc7\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3059\u3050\u306b\u660e\u3089\u304b\u306b\u306a\u308b\u3002<\/p>\n\n\n\n

 \u30aa\u30f3\u30e9\u30a4\u30f3\u30fb\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3084\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u3092\u901a\u3058\u3066\u77ac\u6642\u306b\u30cb\u30e5\u30fc\u30b9\u304c\u62e1\u6563\u3059\u308b\u4eca\u65e5\u306e\u30cf\u30a4\u30d1\u30fc\u30b3\u30cd\u30af\u30c6\u30c3\u30c9\u30fb\u30ef\u30fc\u30eb\u30c9\u306b\u304a\u3044\u3066\u3001\u7d44\u7e54\u306f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u3088\u308b\u9577\u671f\u7684\u306a\u30c0\u30e1\u30fc\u30b8\u3092\u904e\u5c0f\u8a55\u4fa1\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/p>\n\n\n\n

To mitigate risks, Software AG strongly recommends that its customers implement encryption<\/strong>(12) <\/sup>and auditing<\/strong>(12)<\/sup> for our Adabas databases to keep IT risks at a minimum. Both measures complement each other and form the optimal technology mix to protect against attacks and unwanted internal and external data leaks.<\/p>\n\n\n\n

(1) https:\/\/www.gartner.com\/reviews\/market\/intrusion-prevention-systems<\/a><\/sub>
(2) https:\/\/www.enisa.europa.eu\/publications\/enisa-threat-landscape-2024<\/a><\/sub>
(3) https:\/\/www.auswaertiges-amt.de\/en\/newsroom\/news\/hacker-attack-bundestag-2345580<\/a><\/sub>
(4) https:\/\/www.dw.com\/en\/germany-cybercrime-by-foreign-actors-rose-by-28-in-2023\/a-69065980<\/a><\/sub>
(5) https:\/\/www.heise.de\/en\/news\/After-cyber-attack-Suedwestfalen-IT-wants-to-reform-itself-profoundly-10188167.html<\/a><\/sub>
(6) https:\/\/www.bbc.com\/news\/technology-54204356<\/a><\/sub>
(7) https:\/\/www.dutchnews.nl\/2024\/09\/police-leak-leaves-data-of-62000-officers-in-hands-of-hackers\/<\/a><\/sub>
(8) https:\/\/www.statista.com\/topics\/7011\/cyber-crime-in-spain\/#topicOverview<\/a><\/sub>
(9) https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/PDF\/?uri=CELEX:32016R0679<\/a><\/sub>
(10) https:\/\/www.bsi.bund.de\/EN\/Themen\/Unternehmen-und-Organisationen\/Standards-und-Zertifizierung\/IT-Grundschutz\/it-grundschutz_node.html<\/a><\/sub>
(11) https:\/\/www.edpb.europa.eu\/our-work-tools\/our-documents\/guidelines\/guidelines-012021-examples-regarding-personal-data-breach_en<\/a><\/sub>
(12) https:\/\/www.softwareag.com\/app\/uploads\/2025\/08\/ebook-adabas-maximize-security-en.pdf.sagdownload.inline.1669044425901.pdf<\/a><\/sub><\/p>\n\n\n\n

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