Critical Cyber Threats Surge:Citrix Exploits and Major Retail Cybercrime on July 11, 2025

Active exploitation of a Citrix gateway vulnerability and UK arrests for major retail ransomware highlight a day of urgent cyber risk and law enforcement action.

Publication Date: July 11, 2025

Key Cyber Incidents Today

Citrix NetScaler Active Exploit endangers global enterprises

The Cybersecurity and Infrastructure Security Agency (CISA) issued an alert to all organizations regarding active exploitation of a new unpatched vulnerability in Citrix NetScaler ADC and Gateway systems. The vulnerability (referenced as CVE-2025-5777) presents a serious campaign threat to enterprise networks, enabling threat actors to read sensitive data from various virtual server configurations. Security teams using Citrix products must immediately remediate their system or risk actual compromise.

Major Retail Breach Gang Arrives following UK Arrests

Police detained four people on suspicion of cybercrime related to retail breaches, according to the Insurance Journal. The UK National Crime Agency announced arrests on suspicion of Computer Misuse Act offences, blackmail, and money laundering related to hacks against Marks & Spencer, Co-Op, and Harrods. These ransomware attacks disrupted retail operations and caused significant financial losses. 

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