不正アクセス頻発: The story behind this trend in Social Media today
07-10-2026
The phrase “不正アクセス頻発” is trending in Japan today because a cluster of corporate data-breach disclosures has coincided with a widely criticized remark by the digital minister.From late September into early October 2026, multiple Japanese companies announced unauthorized access to systems holding customer data. Notable cases include Times Car (a car-sharing service), which reported roughly 6.6 million accounts affected, including about 1.6 million driver’s-license images; the Yakiniku King app, where nearly 10.8 million member records (names, phone numbers, email addresses) were confirmed leaked; and further notices involving Daiwa Securities (via a contractor), Seicomart, Mr. Max, GMO-related services, and others. Trend Micro’s tally of publicly disclosed unauthorized-access incidents at companies and local governments had already exceeded 600 by the end of Septemberabove the full-year total for 2025 and on pace to surpass the 2024 record of 644 under the same counting method.Security analysts point out that the wave looks sharper partly because investigation and disclosure timelines overlapped at the end of September, rather than because every attack necessarily began in the same short window. A common pattern is that consumer-facing web services and shared platforms store large volumes of identity and contact data that are hard to change (license numbers, photos, addresses), making them attractive targets. Police statistics on unauthorized-access cases have risen, driven heavily by financial-account fraud, while large-scale personal-data incidents have also drawn attention. AI is discussed as a longer-term factor that can lower the skill needed for phishing or vulnerability work; investigators have not publicly tied the specific recent Japanese cases to confirmed AI-agent use.On 6 October, Digital Minister Toshiharu Furukawa told a press conference that cyberattacks are not solely a problem for companies and organizations, and that individual countermeasures help limit harm. He urged people to adopt the mindset of protecting their own information, specifically by stopping password reuse, enabling multi-factor authentication, and treating suspicious email and social messages with caution. Headlines condensed this to “自分の情報は自分で守って” (“protect your own information yourself”) against the backdrop of the ongoing leaks.That wording drove the social-media reaction. Critics argue that customers cannot control how long companies retain license images or membership data, nor can they patch corporate VPN appliances or app servers, so the advice sounds like shifting responsibility after breaches that individuals had no practical way to prevent. Defenders note that password reuse and phishing still enable many follow-on frauds once data is out, and that self-protection remains useful for secondary damage even if it does not stop the initial intrusion. The trend is therefore the combination of the successive breach announcements and the political reaction to the minister’s framing of them.