Sunday, October 18, 2026

Ransomware Attack on Electric Power Grid in South Africa Encrypt’s the Entire Network

Hackers attack Electric utility City Power on Johannesburg, South Africa using powerful ransomware and take down the entire network, applications, and database.

Recent days threat actors mainly targeting the government network, cities, municipalities around the world to demand the huge amount of ransom.

The attackers hit the power grid with unknown ransomware and encrypt all the data which blocks the client to buy electricity from its website.

City Power’s Twitter feed offered the following details: “City Power has been hit by a Ransomware virus. it has encrypted all our databases, applications and network. Currently, our ICT department is cleaning and rebuilding all impacted applications.

Followed by the previous tweet, another tweet stated that the ransomware infection let customer stop uploading the invoice and buying electricity from their own website.

A voice message on City Power’s phone helpline says “Dear customers, please note that we are currently experiencing a problem with our prepaid vending system,”

According to spokesperson Isaac Mangena “Customers will be able to access vending and buy electricity. However, work is still continuing on some systems and applications that were affected including the uploading of invoices by our suppliers, and logging faults by customers on the website,” 

The U.S. Conference of Mayor’s report said, As of July 2019, ransomware attacks have hit at least 170 county, city, or state government systems since 2013, and 22 of those attacks occurred in the first half of 2019.

City Power has created a temporary alternative to their customers and the experts are currently investigating the cause of this attack.

The very recent tweet stated that ” So far most of the IT applications and networks that were affected by the cyberattack have been cleaned up and restored “

“However, work is still continuing on some systems and applications that were affected including the uploading of invoices by our suppliers, and logging faults by customers on the website”

You can read the complete guide of Ransomware Attack Response and Mitigation Checklist.

You can follow us on Linkedin, Twitter, Facebook for daily Cybersecurity updates also you can take the Best Cybersecurity course online to keep yourself updated.

Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Hot this week

How To Access Dark Web Anonymously and know its Secretive and Mysterious Activities

What is Deep Web The deep web, invisible web, or...

How to Build and Run a Security Operations Center (SOC Guide) – 2023

Today’s Cyber security operations center (CSOC) should have everything...

Russian Hackers Bypass EDR to Deliver a Weaponized TeamViewer Component

TeamViewer's popularity and remote access capabilities make it an...

Web Server Penetration Testing Checklist – 2026

Web server pentesting is performed under three significant categories: identity,...

ATM Penetration Testing – Advanced Testing Methods to Find The Vulnerabilities

ATM Penetration testing, Hackers have found different approaches to...

Hackers Use ConnectWise SkyKick Credentials to Access Microsoft 365, Halting Cloud Backups

Attackers abused compromised ConnectWise Cloud Backup credentials to access...

Anthropic’s Claude AI Uncovers Origins of NSA-Provided Cryptographic Keys After 25 Years

Anthropic says an internal Claude research model reconstructed how...

OpenBSD Kernel Flaw Dating Back 37 Years Enables Local Privilege Escalation to Root

A newly disclosed OpenBSD kernel exploitation chain combines a...

GhostAction Hackers Hide Credential-Stealing Malware in Fake Font Files Across 94 GitHub Repositories

GhostAction attackers have expanded their GitHub credential theft campaign...

SideCopy Hackers Target Indian Organizations With ReverseRAT Malware to Steal Data

Indian authorities have warned that SideCopy hackers are targeting...

New GhostBat Android Malware Targets 60 Banking and UPI Apps to Steal PINs

A new GhostBat RAT variant targets 60 Android financial...

New ROMULUS Malware Platform Uses Six Servers to Deliver Multiple Malicious Payloads

ROMULUS, a shared ClickFix delivery platform operating across six...

Related Articles

Recent News