Ransomware-as-a-Service (RaaS): Why Attacks Keep Rising

If it feels like ransomware attacks are everywhere and relentless, you are not imagining it. A major reason is a chilling business innovation on the criminal side: Ransomware-as-a-Service (RaaS). This model has industrialised ransomware, lowering the barrier to entry so dramatically that attackers no longer need technical skill to launch devastating attacks. Understanding how RaaS works explains why the threat keeps growing, and, crucially, points to how businesses can defend against it.

What is Ransomware-as-a-Service?

Ransomware-as-a-Service is a criminal business model that mirrors legitimate "software-as-a-service". A skilled group of developers builds and maintains the ransomware, the malicious software, the payment infrastructure, the leak sites, and then rents it out to other criminals, called affiliates, who carry out the actual attacks. The profits from any successful ransom are split between the developers and the affiliate.

In effect, it separates the people who build ransomware from the people who use it, complete with dashboards, customer support, and updates. It is disturbingly professional.

How the RaaS model works

1. Developers create and maintain the ransomware and its infrastructure.
2. Affiliates sign up (often via dark web forums) and gain access to the ready-made toolkit.
3. Affiliates attack targets, breaking in, deploying the ransomware, and negotiating the ransom.
4. Profits are split between the affiliate and the developers, sometimes on a subscription or percentage basis.

This division of labour is exactly why the threat has exploded: a criminal with modest skills but good access can now run enterprise-grade ransomware.

Why RaaS makes the threat so much worse

• Lower barrier to entry. You no longer need to be a skilled coder to launch a serious attack, just a customer.
• More attackers. The affiliate model multiplies the number of people attacking businesses.
• Professionalisation. Constant development means the ransomware improves and evades defences better over time.
• Specialisation. Some criminals focus purely on gaining initial access and then sell it, feeding the RaaS ecosystem.

Double and triple extortion

Modern RaaS operations rarely just encrypt your files. They have evolved nastier tactics:

• Double extortion: before encrypting, they steal your data and threaten to publish it unless you pay, so even good backups do not remove the pressure.
• Triple extortion: adding further pressure, such as threatening your customers or launching denial-of-service attacks.

This is why prevention and detection matter so much: once data is stolen, backups alone cannot undo the harm. It also reshapes the how you respond to an attack.

How to defend against RaaS attacks

The reassuring news: while RaaS is sophisticated, affiliates still rely on the same common entry points, so the same solid defences work. Attackers typically get in through stolen credentials, phishing, and unpatched systems. Close those and you defeat most attempts:

Defence	Blocks
MFA everywhere	Stolen-credential access
Prompt patching	Exploitation of known flaws
Tested offline backups	The encryption leverage
Staff awareness	Phishing entry
24/7 monitoring (MDR)	Catching the attack before encryption

That last row is decisive. RaaS attacks usually unfold over hours or days between the initial break-in and the moment files are encrypted, a window in which managed detection and response can spot and stop the attacker. Combined with the fundamentals in our guides to MFA and backups, you remove yourself from the easy-target pool RaaS affiliates depend on.

Conclusion

Ransomware-as-a-Service explains why attacks keep multiplying: it has turned ransomware into a rented, professionalised business that anyone can join, complete with data-theft extortion that neutralises backups alone. But the defence is not exotic. Affiliates still break in through stolen passwords, phishing, and unpatched systems, so MFA, patching, tested backups, staff awareness, and 24/7 monitoring remain your most powerful tools. Understand the model, close the common doors, and even the industrialised threat of RaaS becomes one your business can withstand.

Frequently asked questions

What does Ransomware-as-a-Service mean?

It is a criminal business model where developers build ransomware and rent it to affiliates who carry out attacks, splitting the profits. It lets low-skilled criminals launch sophisticated attacks.

Why has ransomware increased so much?

Largely because of RaaS. By lowering the skill barrier and multiplying the number of attackers, the model has dramatically increased the volume and professionalism of attacks.

Do backups still protect me if attackers steal my data?

Backups let you recover encrypted files without paying, but "double extortion", stealing data and threatening to leak it, means backups alone do not remove all pressure. Prevention and early detection are essential too.

How do I defend against RaaS attacks?

Close the common entry points: enforce MFA, patch promptly, keep tested offline backups, train staff against phishing, and use 24/7 monitoring to catch attacks before files are encrypted.

References

• CISA, StopRansomware, cisa.gov/stopransomware
• ENISA, Threat Landscape (Ransomware), enisa.europa.eu
• CyberSecurity Malaysia, cybersecurity.my

Related reading: What to do during a ransomware attack and Data backup strategies for SMEs.