• Home
  • Cyber Crime
  • Cyber warfare
  • APT
  • Data Breach
  • Deep Web
  • Digital ID
  • Hacking
  • Hacktivism
  • Intelligence
  • Internet of Things
  • Laws and regulations
  • Malware
  • Mobile
  • Reports
  • Security
  • Social Networks
  • Terrorism
  • ICS-SCADA
  • POLICIES
  • Contact me
MUST READ

China Presses Nvidia Over Alleged Backdoors in H20 Chips Amid Tech Tensions

 | 

Malicious AI-generated npm package hits Solana users

 | 

Meta Offers $1M bounty at Pwn2Own Ireland 2025 for WhatsApp exploits

 | 

ToolShell under siege: Check Point analyzes Chinese APT Storm-2603

 | 

CISA released Thorium platform to support malware and forensic analysis

 | 

Russia-linked APT Secret Blizzard targets foreign embassies in Moscow with ApolloShadow malware

 | 

Dahua Camera flaws allow remote hacking. Update firmware now

 | 

Researchers released a decryptor for the FunkSec ransomware

 | 

Apple fixed a zero-day exploited in attacks against Google Chrome users

 | 

PyPI maintainers alert users to email verification phishing attack

 | 

FBI seizes 20 BTC from Chaos Ransomware affiliate targeting Texas firms

 | 

Critical SAP flaw exploited to launch Auto-Color Malware attack on U.S. company

 | 

Orange reports major cyberattack, warns of service disruptions

 | 

Hackers leak images and comments from women dating safety app Tea

 | 

Pro-Ukraine hacktivists claim cyberattack on Russian Airline Aeroflot that caused the cancellation of +100 flights

 | 

Seychelles Commercial Bank Reported Cybersecurity Incident

 | 

Microsoft uncovers macOS flaw allowing bypass TCC protections and exposing sensitive data

 | 

U.S. CISA adds Cisco ISE and PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog

 | 

Critical WordPress Post SMTP plugin flaw exposes 200K+ sites to full takeover

 | 

Scattered Spider targets VMware ESXi in using social engineering

 | 
  • Home
  • Cyber Crime
  • Cyber warfare
  • APT
  • Data Breach
  • Deep Web
  • Digital ID
  • Hacking
  • Hacktivism
  • Intelligence
  • Internet of Things
  • Laws and regulations
  • Malware
  • Mobile
  • Reports
  • Security
  • Social Networks
  • Terrorism
  • ICS-SCADA
  • POLICIES
  • Contact me
  • Home
  • Breaking News
  • Hacking
  • Nuclear Regulation Authority shut down email systems after a cyber attack

Nuclear Regulation Authority shut down email systems after a cyber attack

Pierluigi Paganini November 01, 2020

Japan’s Nuclear Regulation Authority (NRA) issued a warning of temporary suspension of its email systems, likely caused by a cyber attack.

The Japan’s Nuclear Regulation Authority (NRA) temporarily suspended its email systems, the interruption is likely caused by a cyber attack.

The agency published a warning on its website, it is asking people to contact it via phone or fax because it is unable to receive emails from the outside world.

“From 17:00 on October 27, 2nd year of Reiwa, sending and receiving e-mails with the Nuclear Regulation Authority has been temporarily suspended. As a result, we are unable to accept e-mail registrations for applications for general hearings such as the Nuclear Regulation Authority and review meetings.” reads the message published by the NRA on its website. “If you would like to hear, please register by phone or fax.”

The email systems at the authorities were disabled earlier this week and the authority has launched an investigation into the incident. According to the media, there’s no impact on operations of Japanese nuclear plants.

U.S. government is warning of a North Korea-linked APT group that has targeted the U.S., South Korea and Japan to gather intelligence on nuclear policy and sanctions.

Japanese media reported that an unknown external party managed to gain unauthorized access to the Nuclear Regulation Authority’s networks.

“On the 26th, Deputy Secretary of State Okada said at a press conference that there was an unauthorized access to the network system of the Nuclear Regulation Authority, which seems to be an attack from the outside, and the fact of information leakage to the outside has not been confirmed at this time I made it clear.” reported the NHK website.

At the time of publishing this post, the agency did not provide any official statement on the incident.

Even in case of a security breach, the threat actor had not access to information related to the security measures implemented in the nuclear plants in the country, because this information is stored in a separate air-gapped network, Deputy Secretary of State Katsuya Okada explained.

“At this point, the fact of information leakage to the outside, including sensitive information, has not been confirmed. Information on nuclear security is managed by an independent system that is not connected to the outside. This means that there is no information leakage.” Deputy Secretary-General Okada said.

“After that, he said, “We have received reports that the Nuclear Regulatory Commission is continuing to investigate in collaboration with the Cabinet Cyber ​​Security Center, etc.” and expressed his intention to proceed with the analysis of the cause and to thoroughly prevent recurrence.”

[adrotate banner=”9″][adrotate banner=”12″]

Pierluigi Paganini

(SecurityAffairs – hacking, Nuclear Regulation Authority)

[adrotate banner=”5″]

[adrotate banner=”13″]


facebook linkedin twitter

critical infrastructure Hacking hacking news information security news IT Information Security Japan malware Nuclear Regulation Authority Pierluigi Paganini Security Affairs Security News

you might also like

Pierluigi Paganini August 02, 2025
China Presses Nvidia Over Alleged Backdoors in H20 Chips Amid Tech Tensions
Read more
Pierluigi Paganini August 01, 2025
Malicious AI-generated npm package hits Solana users
Read more

leave a comment

newsletter

Subscribe to my email list and stay
up-to-date!

    recent articles

    China Presses Nvidia Over Alleged Backdoors in H20 Chips Amid Tech Tensions

    Intelligence / August 02, 2025

    Malicious AI-generated npm package hits Solana users

    Malware / August 01, 2025

    Meta Offers $1M bounty at Pwn2Own Ireland 2025 for WhatsApp exploits

    Hacking / August 01, 2025

    ToolShell under siege: Check Point analyzes Chinese APT Storm-2603

    APT / August 01, 2025

    CISA released Thorium platform to support malware and forensic analysis

    Cyber Crime / August 01, 2025

    To contact me write an email to:

    Pierluigi Paganini :
    pierluigi.paganini@securityaffairs.co

    LEARN MORE

    QUICK LINKS

    • Home
    • Cyber Crime
    • Cyber warfare
    • APT
    • Data Breach
    • Deep Web
    • Digital ID
    • Hacking
    • Hacktivism
    • Intelligence
    • Internet of Things
    • Laws and regulations
    • Malware
    • Mobile
    • Reports
    • Security
    • Social Networks
    • Terrorism
    • ICS-SCADA
    • POLICIES
    • Contact me

    Copyright@securityaffairs 2024

    We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept All”, you consent to the use of ALL the cookies. However, you may visit "Cookie Settings" to provide a controlled consent.
    Cookie SettingsAccept All
    Manage consent

    Privacy Overview

    This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities...
    Necessary
    Always Enabled
    Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
    Non-necessary
    Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.
    SAVE & ACCEPT