In the AI age, excessive data accumulation is a cybersecurity threat

From Russian spies to unsecured Japanese databases, the misuse of personal information is a risk

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Protecting personal information is a matter of concern for diplomats and security officials, carriers of sensitive commercial secrets, entrepreneurs involved in M&A or stock trades, doctors, and designers who care about safeguarding intellectual property. © AP

Sergiy Korsunsky is the former ambassador of Ukraine to Japan. He is now a senior adviser at Nihon Cyber Defence Corporation.

Mikhail Khodorkovsky, a prominent member of the Russian opposition living in exile, recently made a stunning revelation about the malignant activities of Russia's military intelligence agency, GRU, in Europe. Putin's spies, he says, are building a hit list of journalists, politicians and public figures who influence public opinion against the Kremlin. Khodorkovsky says the urgent orders to gather personal information -- such as home and work addresses, e-mail addresses, phone numbers and even habits and the daily routines -- on possible targets was sent to GRU operatives and agents in early 2025.

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