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LeakBase Data Breach Forum Seized in Major Europol Operation

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Global Law Enforcement Shuts Down Major Data Marketplace

A sprawling online bazaar for stolen personal information has been erased from the web. In a coordinated international strike, law enforcement agencies led by Europol seized the domains of LeakBase, one of the world’s largest public forums for trading hacked data.

The site operated openly on the surface web, not the dark web, acting as a bustling marketplace. Its primary commodity was ‘stealer logs’—vast archives of usernames, passwords, and other credentials siphoned from victims’ computers by infostealer malware.

By the time of its takedown, the forum had grown to a massive community. Europol’s investigation revealed over 142,000 registered users, who had exchanged more than 215,000 private messages. The platform facilitated thousands of illegal transactions.

Operation Leak: Arrests, Searches, and a Clear Message

The action, codenamed ‘Operation Leak,’ culminated on March 3. Police across eight countries—including the US, UK, Australia, and several European nations—executed arrests, conducted house searches, and held interviews with suspects.

Authorities specifically targeted the platform’s most active members. Europol confirmed that 37 high-profile users were in their crosshairs, with dozens more under investigation. A day later, the final blow landed: the seizure of LeakBase’s domains.

Visitors to the site now find a law enforcement banner in its place. Crucially, investigators also captured the forum’s entire customer database, a treasure trove of evidence for identifying users who believed they were anonymous.

“This operation shows that no corner of the internet is beyond the reach of international law enforcement,” stated Edvardas Šileris, head of Europol’s European Cybercrime Centre. “What began as a shadowy forum for stolen data has now been dismantled.”

The message to cybercriminals was unequivocal. Trafficking in stolen information will lead to consequences. The anonymity of these platforms is an illusion.

The Endless Game of Whack-a-Mole

The takedown of LeakBase is the latest chapter in an ongoing battle against data trading forums. Its predecessors, like RaidForums and BreachForums, met similar fates in recent years.

Yet the problem persists, driven by an explosion in infostealer malware. One report indicated a staggering 800% increase in stolen credentials in the first half of 2025 compared to the previous six months, totaling 1.8 billion records.

This creates a ‘whack-a-mole’ dynamic. As soon as one forum is shuttered, another often pops up. The FBI and French police, for instance, had to shutter a new BreachForums domain again in 2025, just a year after its initial takedown.

The fight is expanding on multiple fronts. In a related move, a separate operation involving Microsoft and Europol recently disrupted ‘Tycoon2FA,’ a phishing-as-a-service site that helped criminals bypass multi-factor authentication (MFA) protections.

While each victory is significant, the sheer volume of stolen data and the profitability of the trade ensure that law enforcement’s work is never done. Operations like this one, however, prove that the moles can be hit hard.

CyberSecurity

France Ditches Windows for Linux: A Bold Move Toward Digital Sovereignty

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France Ditches Windows for Linux: A Bold Move Toward Digital Sovereignty

In a significant shift, France has announced plans to replace Microsoft Windows with Linux on thousands of government computers. This decision, part of a broader push for digital sovereignty, aims to reduce the country’s dependence on American technology. The move reflects growing unease across Europe about relying on US-based tech giants amid geopolitical instability.

Why France Ditches Windows for Linux Now

The French government’s decision comes as a direct response to concerns over data control and infrastructure security. In a statement, French minister David Amiel emphasized the need to “regain control of our digital destiny.” He argued that France can no longer accept a situation where its data and digital systems are tied to US companies.

This shift is not sudden. It follows a pattern of increasing distrust toward American tech firms, especially after recent actions by the Trump administration. Sanctions and trade disruptions have made European leaders acutely aware of their vulnerabilities.

As a result, France ditches Windows for Linux not just as a technical upgrade, but as a strategic move to bolster national autonomy.

The Linux Migration Plan: What We Know So Far

The transition will begin with computers at the French government’s digital agency, DINUM. While no specific timeline or Linux distribution has been announced, the government is exploring various open source options tailored for enterprise use.

Linux, being free and highly customizable, offers France the flexibility to adapt its operating system to specific government needs. This contrasts sharply with proprietary software like Windows, which ties users to Microsoft’s ecosystem and licensing fees.

Building on this, the French government has also taken other steps to reduce US tech reliance. Earlier this year, it stopped using Microsoft Teams for video conferencing, switching to Visio, a French-developed tool based on the open source platform Jitsi.

Health Data Platform Migration

In addition to the operating system shift, France plans to migrate its health data platform to a new trusted system by the end of the year. This move underscores a broader commitment to securing sensitive citizen data within national borders.

Digital Sovereignty: A European Trend

France is not alone in this endeavor. Across Europe, lawmakers are waking up to the risks of over-reliance on US technology. In January, the European Parliament voted to adopt a report directing the European Commission to identify areas where the EU can reduce its dependence on foreign providers.

This trend, often called digital sovereignty, is gaining momentum. Countries like Germany and the Netherlands have also explored open source alternatives for government systems. However, France’s latest move is one of the most high-profile examples yet.

Therefore, when France ditches Windows for Linux, it sends a powerful signal to other nations: the era of unquestioned US tech dominance may be waning.

Challenges and Opportunities Ahead

Migrating an entire government infrastructure to Linux is no small feat. Compatibility issues, training costs, and software dependencies pose significant hurdles. However, the long-term benefits—including cost savings, enhanced security, and greater control—are compelling.

For more on how open source solutions are transforming government IT, check out our guide on open source adoption in public sector.

Additionally, the French government plans to invest in local tech ecosystems, fostering homegrown innovation. This aligns with the broader goal of reducing reliance on US tech giants like Microsoft, Amazon, and Google.

What This Means for the Future of Tech

France ditches Windows for Linux at a time when global tech alliances are shifting. As nations prioritize data sovereignty and cybersecurity, open source platforms are becoming increasingly attractive.

This move could inspire other countries to follow suit, accelerating the adoption of open source in government. It also puts pressure on US tech companies to adapt—or risk losing lucrative government contracts.

Interested in how this impacts the cloud computing landscape? Read our analysis on cloud sovereignty in Europe.

In conclusion, France’s decision is more than a technical switch—it’s a statement of intent. By prioritizing digital autonomy, the country is charting a new path for itself and potentially for the entire continent.

For a deeper dive into the geopolitical implications, explore our piece on tech geopolitics and European strategy.

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How Anthropic’s Claude AI Uncovered a Hidden Apache ActiveMQ Vulnerability After 13 Years

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How Anthropic’s Claude AI Uncovered a Hidden Apache ActiveMQ Vulnerability After 13 Years

For more than a decade, a critical security flaw lurked undetected within Apache ActiveMQ Classic, a widely used open-source message broker. The bug, recently identified as CVE-2026-34197, was finally exposed with the help of Anthropic’s AI assistant, Claude. This discovery highlights the growing role of artificial intelligence in cybersecurity and vulnerability research.

The flaw, categorized as a remote code execution (RCE) vulnerability, allows attackers to execute arbitrary operating system commands on affected systems. Horizon3.ai chief architect Naveen Sunkavally detailed the discovery in an April 7 blog post, emphasizing that organizations running ActiveMQ should prioritize patching immediately.

According to Sunkavally, “An attacker can invoke a management operation through ActiveMQ’s Jolokia API to trick the broker into fetching a remote configuration file and running arbitrary OS commands.” The vulnerability requires credentials, but default credentials (admin:admin) are common in many environments. On versions 6.0.0 through 6.1.1, no credentials are required due to another issue, CVE-2024-32114, which exposes the Jolokia API without authentication. In those versions, CVE-2026-34197 becomes an unauthenticated RCE threat.

Understanding the Apache ActiveMQ Bug and Its Impact

This Apache ActiveMQ bug has remained hidden for 13 years because it involves multiple components developed independently over time. In isolation, each feature appeared safe, but when chained together, they created a dangerous exploit path. Sunkavally noted that this is exactly where Claude excelled—efficiently stitching together the attack path end to end with a clear head free of assumptions.

“Something that would have probably taken me a week manually took Claude 10 minutes,” he said. The AI’s ability to analyze source code and identify complex interactions between components made it an invaluable tool in this discovery.

How the Vulnerability Works

The exploit leverages ActiveMQ’s Jolokia API, a management interface that allows remote access to the broker’s internal operations. By sending a crafted POST request to /api/jolokia/ containing an addNetworkConnector command, an attacker can trick the broker into fetching a malicious remote configuration file. This file then triggers the execution of arbitrary OS commands, granting the attacker control over the system.

Organizations concerned about potential compromise should check ActiveMQ broker logs for network connector activity referencing vm:// URIs with brokerConfig=xbean:http. Additional indicators of compromise include:

  • POST requests to /api/jolokia/ containing addNetworkConnector in the request body
  • Outbound HTTP requests from the ActiveMQ broker process to unexpected hosts
  • Unexpected child processes spawned by the ActiveMQ Java process

Patches and Mitigation Steps for the ActiveMQ RCE Vulnerability

The ActiveMQ RCE vulnerability has been patched in ActiveMQ Classic versions 5.19.4 and 6.2.3. Users are strongly advised to update to these versions immediately. Additionally, ensure that no default credentials are in use. Changing the default admin:admin credentials is a critical step, as many environments still rely on these weak passwords.

For organizations unable to patch immediately, implementing network segmentation and restricting access to the Jolokia API can help reduce risk. Monitoring for the indicators of compromise listed above is also essential for early detection.

If you are using ActiveMQ, review your configuration and apply the latest updates. For more on securing message brokers, check out our guide on best practices for message broker security.

Claude AI: A New Tool for Vulnerability Hunting

Sunkavally described the discovery of CVE-2026-34197 as “80% Claude and 20% gift-wrapping by a human.” He regularly uses Claude to take a first pass at source code for vulnerability hunting, prompting it lightly and setting up a target on the network for it to validate findings.

“A lot of the time, Claude finds interesting stuff but it doesn’t quite rise to the level of a CVE I’d bother reporting. In this case, it did a great job, with nothing more than a couple of basic prompts,” he said.

This case demonstrates how AI can accelerate vulnerability research, especially for bugs that involve complex interactions across multiple components. Sunkavally urged appsec engineers and developers to adopt tools like Claude in their workflows, stating that “anyone with a security background can take advantage.”

As AI continues to evolve, its role in cybersecurity will likely expand. For more insights on AI-driven security research, explore our article on how artificial intelligence is transforming threat detection.

Final Thoughts on the 13-Year-Old Bug

The discovery of this Apache ActiveMQ bug serves as a stark reminder that vulnerabilities can remain hidden for years, especially when they involve multiple independent components. The use of AI tools like Claude can help uncover these hidden threats more efficiently than traditional manual methods.

Organizations running ActiveMQ should act quickly to patch and review their security posture. By combining AI-powered vulnerability hunting with robust security practices, the cybersecurity community can stay ahead of evolving threats. For more on securing open-source software, see our tips for open-source security.

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New Hack-for-Hire Campaign Hits Android Devices and iCloud Backups Across the Middle East

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New Hack-for-Hire Campaign Hits Android Devices and iCloud Backups Across the Middle East

Security researchers have uncovered a sophisticated hack-for-hire group that has been targeting journalists, activists, and government officials across the Middle East and North Africa. This campaign, active between 2023 and 2025, uses phishing attacks to access iCloud backups and deploy Android spyware, raising fresh concerns about the growing private espionage industry.

According to reports from Access Now, SMEX, and Lookout, the hackers employed a range of tactics to infiltrate devices. For iPhone users, they tricked victims into surrendering Apple ID credentials, gaining access to iCloud backups that contained the full contents of their phones. For Android users, they distributed spyware called ProSpy, disguised as popular apps like Signal, WhatsApp, and Zoom, as well as regional messaging apps ToTok and Botim.

This hack-for-hire group appears to be an offshoot of the infamous Indian startup Appin, which was exposed by Reuters in 2022 and 2023 for allegedly hacking corporate executives and government officials. Justin Albrecht, principal researcher at Lookout, noted that while Appin has since shut down, its operations have simply migrated to smaller companies like RebSec, which has since deleted its online presence.

How the Hack-for-Hire Group Operates

The campaign targeted at least three journalists—two in Egypt and one in Lebanon—but Lookout’s investigation suggests the scope is much wider. Victims include government officials in Bahrain, Egypt, the United Arab Emirates, Saudi Arabia, and even individuals in the United Kingdom and possibly the United States. The researchers linked the group to BITTER APT, a hacking collective suspected of ties to the Indian government.

One of the most alarming aspects of this hack-for-hire group is its use of “plausible deniability.” By outsourcing operations to private vendors, governments can avoid direct responsibility. “These operations have become cheaper and it’s possible to evade responsibility, especially since we won’t know who the end customer is,” said Mohammed Al-Maskati, an investigator at Access Now.

Android Spyware and Phishing Attacks: The Technical Details

For Android users, the hackers deployed ProSpy, a spyware that masquerades as legitimate apps. Victims were lured into downloading fake versions of Signal, WhatsApp, or other messaging tools, which then granted attackers full control over the device. This Android spyware could capture messages, photos, and even microphone and camera access.

For iPhone users, the approach was different but equally dangerous. Hackers used phishing emails and messages to trick targets into revealing their Apple ID credentials. Once obtained, they accessed iCloud backups, effectively bypassing iOS security without needing expensive zero-day exploits. As Access Now noted, this is “potentially a cheaper alternative to the use of more sophisticated and expensive iOS spyware.”

Signal Account Hijacking

In some cases, the hackers attempted to register a new device—controlled by them—to the victim’s Signal account. This technique, popular among various hacking groups including Russian spies, allows attackers to intercept encrypted messages without breaking Signal’s encryption itself.

The Growing Threat of Commercial Spyware

This campaign highlights a troubling trend: the rise of commercial spyware and hack-for-hire services that are more accessible than ever. Unlike state-sponsored operations, these private groups offer lower costs and greater anonymity. “For their customers, these hack-for-hire groups are likely cheaper than purchasing commercial spyware,” Albrecht explained.

Building on this, the researchers emphasize that even less sophisticated tools can be highly effective. The hackers behind this campaign may not have the most advanced exploits, but their social engineering and phishing tactics proved sufficient to compromise high-value targets.

What This Means for Digital Security

For journalists and activists in the Middle East, this campaign serves as a stark reminder of the risks they face. As a result, experts recommend enabling two-factor authentication on all accounts, avoiding suspicious links, and regularly reviewing connected devices. For organizations, investing in security awareness training and monitoring for unusual account activity is crucial.

This discovery also underscores the need for stronger regulation of the spyware industry. While some governments have begun to address the issue, the shadowy nature of these companies makes enforcement difficult. The Indian embassy in Washington, D.C. did not respond to requests for comment.

For more insights on protecting your devices, check out our guide on securing your phone from spyware and learn about common phishing tactics.

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