VulnHub

Real-time Cybersecurity News

Cal Water Finds No Evidence of OT Activity After Hackers Claimed They Could Disrupt Water Supply

SecurityWeek
Critical

Overview

Cal Water, a utility in California, recently investigated a cyberattack attributed to the Iranian hacker group Handala. Despite the hackers claiming they could disrupt the water supply, Mandiant, the cybersecurity firm assisting in the investigation, found no evidence of any operational technology (OT) activity being compromised. This incident raises concerns about the security of critical infrastructure, especially given the attackers' bold claims. While the immediate threat appears to be contained, it serves as a reminder for utilities and other essential services to remain vigilant against potential cyber threats. Ensuring the integrity of water supplies is crucial for public safety and trust.

Key Takeaways

  • Affected Systems: Cal Water, operational technology systems
  • Timeline: Disclosed on October 2023

Original Article Summary

Mandiant has helped the California water utility investigate the cyberattack launched by Iranian hacker group Handala. The post Cal Water Finds No Evidence of OT Activity After Hackers Claimed They Could Disrupt Water Supply appeared first on SecurityWeek.

Impact

Cal Water, operational technology systems

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Disclosed on October 2023

Remediation

Not specified

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Critical.

Read Original Article

Related Coverage

Federal court rules Trump election-focused executive order illegal

CyberScoop

A federal court has ruled that an executive order issued by former President Trump, which aimed to create federal voter lists for each state and limit mail-in ballots through the USPS, is unconstitutional. The court's decision effectively nullifies the provisions of the order, impacting how states manage voter registration and mail-in voting processes. This ruling is significant as it addresses the ongoing debate over election integrity and access, particularly in light of concerns raised about voter suppression. The decision may influence future legislation and executive actions related to elections, as it sets a precedent for the limits of federal authority in state election matters.

Jun 25, 2026

PirloTV sports piracy network disrupted as 44 domains seized

BleepingComputer

Law enforcement agencies have taken significant action against the PirloTV sports piracy network, seizing 44 domains associated with the illegal streaming platform. This crackdown aims to disrupt the distribution of unauthorized sports content, which affects both the rights holders of the broadcasts and legitimate viewers. PirloTV has been known for providing free access to premium sports events without proper licensing, leading to financial losses for broadcasters and sports leagues. The seizure of these domains is a part of ongoing efforts to combat online piracy and protect intellectual property rights. This incident serves as a reminder of the legal risks associated with using unlicensed streaming services, as users may also face repercussions.

Jun 25, 2026

Cisco Vulnerability Exploited Months Before Disclosure, Google Warns

Infosecurity Magazine

A significant security vulnerability in Cisco's Catalyst SD-WAN Manager has been exploited by attackers months before its public disclosure. The flaw, which was revealed in early June, was reportedly being used in attacks as early as March. This situation raises serious concerns for organizations using Cisco's SD-WAN technology, as they may have been at risk for an extended period without knowledge of the threat. Companies are urged to review their systems and apply any available patches to mitigate potential risks. The exploitation of this vulnerability highlights the importance of timely disclosures and the need for vigilance in monitoring systems for suspicious activity.

Jun 25, 2026

ASIO establishes dedicated teams to counter nation-state cyber sabotage

SCM feed for Latest

Australia's Security and Intelligence Organisation (ASIO) has created specialized teams to address cyber sabotage threats from nation-states targeting the country's critical infrastructure. This move, announced by ASIO Director-General Mike Burgess, reflects increasing concerns about foreign interference and cyber attacks aimed at essential services and systems. By focusing resources on these dedicated units, ASIO aims to enhance its capabilities in detecting and mitigating potential cyber incidents that could disrupt public safety and national security. This development is particularly important as nations globally face rising cyber threats, making it crucial for Australia to strengthen its defenses against such risks.

Jun 25, 2026

Webinar: Why account takeovers remain one of the hardest threats to stop

BleepingComputer

Account takeover attacks remain a significant challenge for organizations as attackers often exploit legitimate accounts and trusted services to gain unauthorized access. This issue complicates detection and response efforts for security teams. A recent webinar discussed how behavioral AI can enhance the identification of compromised accounts, enabling quicker responses to these incidents. The focus is on using advanced technology to automate workflows that can mitigate the risks associated with account takeovers. As these attacks can lead to severe data breaches and financial losses, understanding and addressing them is crucial for businesses and their customers.

Jun 25, 2026

NSA Urges Cyberthreat Timeline Has Compressed From Years to Months

Cyber Defense Magazine

On June 22, 2026, the NSA, along with its Five Eyes partners, issued a critical warning about the rapidly evolving nature of cyber threats. They noted that the timeline for potential cyberattacks has significantly shortened, going from years to just months. This shift poses a serious risk to national security and the integrity of critical infrastructure. The agencies emphasized the need for organizations to enhance their cybersecurity measures and preparedness to counter these fast-evolving threats. As cybercriminals become more sophisticated, timely detection and response will be essential for all sectors, especially government and private industries.

Jun 25, 2026