Ransomware as a Service: The Billion-Dollar Threat Hiding in Plain Sight

June 5, 2025
Ransomware has evolved from a tool of opportunistic hackers into a scalable business model.

Cybercrime has long been a concern for enterprises, governments, and individuals. But in recent years, a dramatic shift has transformed the threat landscape: ransomware has evolved from a tool of opportunistic hackers into a scalable business model.

Ransomware as a Service (RaaS) is not just a trend—it’s a fundamental reimagining of how cybercrime operates, and it’s forcing organizations to rethink what it means to be secure in the digital age.

At its core, RaaS is a dark mirror of the legitimate software-as-a-service (SaaS) model. Just like SaaS providers offer platforms for productivity, communication, or data storage, RaaS groups offer toolkits for extortion. With little technical expertise required, anyone with malicious intent and internet access can now rent or purchase pre-built ransomware packages, complete with step-by-step instructions, customer support, and profit-sharing models.

This “democratization” of cybercrime has transformed isolated incidents into an industrial-scale threat. According to the 2025 Chainalysis Crypto Crime Report, ransomware actors extorted over $813 million in 2024—even as total payments dropped 35% from the previous year’s record. That decline masks a deeper concern: attacks are increasing. More than 56 new ransomware leak sites emerged last year, double the number in 2023, highlighting a rapidly expanding ecosystem of threat actors.

While the drop in payouts reflects stronger defenses and greater refusal to pay, the threat is far from over. RaaS groups are evolving fast—rebranding, fragmenting, and scaling through global affiliate networks. Many organizations, especially small and mid-sized ones, still underestimate how quickly this model is growing.

Many organizations, especially small and mid-sized ones, still underestimate how quickly this model is growing.

A Turning Point in Cybercrime

Ransomware isn’t new—it’s been around for decades. The model that powers RaaS began gaining serious traction in the early 2010s. It wasn’t until around 2022, however, that the threat began to escalate rapidly. Following geopolitical instability, especially the Russian invasion of Ukraine, ransomware groups became more aggressive and targeted, shifting their focus from individuals to entire organizations and critical infrastructure.

This pivot fundamentally altered the risk profile. RaaS attacks began targeting core systems like hypervisors, ERP platforms, and virtualized environments—technologies that underpin entire organizations. This meant that instead of encrypting a single machine or department, attackers could bring down an entire enterprise in one coordinated strike.

Anatomy of a RaaS Attack

Understanding how a typical RaaS operation unfolds can help clarify why it’s so effective:

  • Developer creates a ransomware toolkit—including encryption, obfuscation, and communication tools.
  • Affiliates purchase or license the kit, often through private forums or dark web marketplaces.
  • Initial access is gained via phishing, unpatched vulnerabilities, or leaked credentials.
  • Malware is deployed, locking files and displaying ransom demands—usually payable in cryptocurrency.
  • Profits are shared, with a cut going back to the RaaS developer and the rest to the affiliate.

Some groups enhance pressure by stealing data and threatening to leak it publicly if the ransom isn’t paid—a tactic known as double extortion.

Industrialized Cybercrime

One of the most troubling aspects of RaaS is how effectively it mimics the structure of legitimate businesses.

One of the most troubling aspects of RaaS is how effectively it mimics the structure of legitimate businesses. A typical RaaS operation includes developers who build the malware, affiliates who distribute it, brokers who sell access to vulnerable networks, negotiators who handle ransom demands, and even call centers to manage “customer relations” with victims. Some operations even employ money launderers to process cryptocurrency ransom payments.

These groups operate with surprising professionalism, providing regular updates, bug fixes, feature improvements, and detailed dashboards for tracking infections and payments. Revenue models vary—some charge flat licensing fees, while others take a percentage cut from successful ransoms. The scalability and sophistication of these operations have helped turn ransomware into a billion-dollar industry.

AI and Automation: The Next Frontier

While RaaS has already lowered the barrier to entry for cybercrime, the integration of artificial intelligence is pushing the threat to even greater heights. AI is being used to automate phishing campaigns, craft hyper-realistic lures, and identify vulnerabilities in real time. Deepfake technology and AI-generated voice or video messages are making social engineering attacks harder to detect and easier to execute.

These tools dramatically increase the effectiveness and frequency of attacks. Cybercriminals no longer need to spend weeks probing a network manually. They can deploy automated bots to scan for weak points, exploit unpatched systems, and launch large-scale ransomware campaigns. This acceleration is forcing defenders into a constant game of catch-up.

The Most Common Points of Entry

Despite the technological advances, attackers still rely on several tried-and-true entry points—many of which remain unresolved across industries:

  • Phishing and Social Engineering: Still the top entry point for ransomware, especially when enhanced with AI-generated emails, deepfake voices, or fake websites that make attacks harder to spot.
  • Unpatched Software: Outdated systems with known vulnerabilities remain low-hanging fruit for attackers who exploit missed updates.
  • Weak or Stolen Credentials: Passwords obtained through phishing or brute-force attacks are highly effective—particularly when multi-factor authentication (MFA) isn’t in place.
  • Remote Access Tools: VPNs, RDP, and cloud apps are frequent targets. Without proper security controls, they can provide direct access to critical systems.

These weaknesses aren’t new, but the speed and automation with which attackers exploit them are.

High-Risk Targets

Certain sectors are more vulnerable than others. Organizations in healthcare, financial services, and critical infrastructure face elevated risks due to the potential impact of downtime, regulatory scrutiny, and the sensitivity of the data they handle. The stakes are highest where operations cannot afford disruption—making those industries more likely to pay ransoms quickly, further incentivizing attackers.

Cloud-first organizations, remote work environments, and companies relying on virtualization are also particularly exposed. The compromise of a hypervisor, for example, can cascade across an entire digital ecosystem, affecting every dependent system in a matter of minutes.

A Real-World Example

The attack on CDK Global, a software provider for car dealerships, is a sobering illustration of RaaS in action.

The company’s Integrated Client Enterprise Solutions (ICES) platform—central to dealership operations—was taken offline, disrupting sales, service, and back-office functions nationwide. In their haste to restore systems, CDK failed to fully remove the attackers, resulting in a second wave of attacks—a costly mistake that underscores the importance of thorough incident response and ensuring systems are fully secured before resuming operations.

The ripple effects were profound: lost revenue, eroded trust, operational delays, and skyrocketing cyber insurance costs. Unfortunately, this scenario is becoming more common.

Why Education Is the First Line of Defense

While technology plays a critical role in defense, the human element remains the most important. Employee training—done consistently, not just annually—can drastically reduce the success rate of phishing and social engineering attacks. Everyone in the organization, from entry-level to executive, must understand the risks and recognize suspicious behavior.

Cybersecurity isn’t just the domain of IT departments. It’s a shared responsibility.

Building a Ransomware-Resilient Organization

There is no single silver bullet against RaaS, but a layered defense strategy significantly improves resilience:

  • Offline Backups: Cloud backups are now a target; offline or air-gapped backups are essential.
  • Multi-Factor Authentication: Should be mandatory across all systems, especially for remote access.
  • Advanced Endpoint Detection and Response (EDR): Real-time monitoring and behavioral analysis can catch threats early.
  • Routine Penetration Testing and Security Audits: Identify vulnerabilities before attackers do.
  • Incident Response Planning: Develop and test your plan regularly. The worst time to test it is during a real attack.
  • Employee Training: Keep it relevant, engaging, and ongoing.

Organizations in high-risk industries, or those with high data sensitivity or uptime requirements, should also consider ransomware resilience assessments. These can identify blind spots and prepare teams to respond effectively under pressure.

A Call to Action

RaaS represents a clear and present danger to the modern enterprise. It industrializes cybercrime, lowers barriers to entry, and makes high-impact attacks more frequent and more accessible. The integration of AI and the evolution of subscription-based cybercrime only amplify the threat.

But with awareness, vigilance, and a commitment to cybersecurity fundamentals, organizations can blunt the impact of these attacks. The conversation around RaaS must shift from fear to proactive preparation. Education, not silence, is the strongest first line of defense.

The threats may be evolving, but so can our defenses.

About the Author

Avani Desai

Avani Desai is the Chief Executive Officer at Schellman, a global cybersecurity assessment firm focusing on technology assessments. Avani is an accomplished executive with domestic and international experience in information security, operations, P&L, oversight, and marketing involving start-up and growth organizations. She has been featured in Forbes, CIO.com, and the Wall Street Journal. She is a sought-after speaker as a voice on various emerging topics, including security, privacy, information security, future technology trends, and the expansion of young women involved in technology.

Also passionate about strategic philanthropy, Avani sits on the board of Arnold Palmer Medical Center, Philanos, is the chairwoman of the Audit Committee at the Central Florida Foundation and is the co-chair of 100 Women Strong, a female-only venture capitalist-based giving circle that focuses on solving community-based problems specific to women and children by using data analytics and big data. Avani is also an avid runner, always looking to sign up for the next Disney marathon.