You signed up for a VPS (Virtual Private Server) to get more control and better performance for your business website or application. Your hosting company handed you the keys, pointed you at the server, and wished you luck.

What they didn't mention is that within minutes of your server going live, automated bots began scanning it for weaknesses. Not humans with grudges — just robots, running around the clock, testing millions of servers simultaneously, looking for the ones nobody's looking after.

If your server's security hasn't been properly configured and regularly maintained, the odds are uncomfortable. Here's what's actually happening out there — and why it matters for your business.

What Hackers Actually Want From Your Server

Forget the Hollywood image of a hacker in a hoodie specifically targeting your company. The reality is far more mundane and, in some ways, more unsettling: most attacks are automated and entirely indiscriminate. Your server is valuable not for what you do with it, but for what they can do with it without you knowing.

Cryptomining: Your Electricity Bill Becomes Their Profit

Cryptocurrency mining requires enormous computing power. Instead of paying for it themselves, criminals quietly install mining software on compromised servers and let the victims pay the bill.

The signs are subtle at first: your website becomes sluggish, your server feels slow, and your hosting costs might creep up if you're on a metered plan. Meanwhile, in the background, your server is working full tilt generating cryptocurrency that flows straight into the attacker's wallet.

One study found that cryptomining malware ran undetected for an average of 55 days on compromised servers. That's almost two months of your server working for someone else.

SEO Link Farms: Your Reputation Pays the Price

Google's search rankings are influenced by which websites link to which other websites. Criminals exploit this by hijacking servers to host thousands of hidden web pages — invisible to you, but visible to Google — packed with links pointing to spam sites selling counterfeit goods, pharmaceuticals, or worse.

Your server becomes part of a link farm. Your domain's reputation, built up over years, gets quietly destroyed. When Google eventually detects it — and they do detect it — your site can be penalised or removed from search results entirely.

For a business that depends on being found online, a Google penalty can be catastrophic. Recovering from one takes months, and there's no guarantee of full recovery.

Becoming a Spam Relay: Your Domain Gets Blacklisted

Email is critical for business communication. Once an attacker gains access to your server, they can use it to send millions of spam emails — phishing scams, malware links, fraud attempts — all apparently originating from your server's IP address.

The result: your server's IP gets added to blacklists. Suddenly, emails from your business — legitimate quotes, invoices, customer communications — start bouncing or landing in spam folders. Major email providers like Gmail and Outlook block your messages automatically.

Cleaning up a blacklisted email reputation is time-consuming and embarrassing. Explaining to clients why your invoices aren't arriving is worse.

Data Theft: Your Customers' Information Walked Out the Door

If your server runs a website with a contact form, an e-commerce shop, a client portal, or any kind of database, that data is valuable. Customer names, email addresses, phone numbers, payment details, and passwords — criminals sell all of it.

Beyond the immediate harm to your customers, South African law requires businesses to notify affected individuals of data breaches under POPIA (Protection of Personal Information Act). Failure to do so carries serious penalties, and the reputational damage of announcing a breach can be severe.

Ransomware: Pay Up or Lose Everything

Ransomware attacks on servers are increasing sharply. An attacker gains access, quietly makes a copy of your files, then encrypts everything on your server — making it completely inaccessible. You then receive a demand for payment (usually in cryptocurrency) in exchange for the decryption key.

Even businesses with backups lose days or weeks of productivity recovering. Those without backups sometimes lose everything.

Why VPS Owners Are Particularly at Risk

Managed hosting typically includes basic security monitoring and patching as part of the service. When you move to a VPS, you gain control — but you also take on responsibility.

Most VPS providers will tell you clearly: the operating system and everything above it is your responsibility. They manage the physical hardware. You manage everything else.

A freshly provisioned VPS typically has:

  • Default configurations that prioritise convenience over security
  • No firewall rules beyond the bare minimum
  • Password authentication for remote access (instead of the more secure key-based authentication)
  • Outdated software from the moment it's provisioned
  • No monitoring to detect unusual activity
  • No automated security patching

What a Security Audit Actually Shows

A security audit using a tool like Lynis examines hundreds of configuration points on your server and produces a Hardening Index — a score out of 100 that reflects how well your server is configured against known attack vectors.

A typical unmanaged VPS scores somewhere between 45 and 60. A well-hardened server should score above 80.

The audit checks things like:

  • Are there user accounts with weak or default passwords?
  • Is the firewall configured correctly?
  • Are critical security updates missing?
  • Are services running that shouldn't be?
  • Are login attempts being monitored and limited?
  • Are file permissions set correctly?
  • Is remote access configured securely?

The Good News: Most Risks Are Preventable

The vast majority of server compromises don't happen because of sophisticated, targeted attacks. They happen because:

  • Default configurations were never changed
  • Software updates were never applied
  • Nobody was watching for signs of intrusion

Proper server hardening — done once and maintained regularly — closes the doors that automated attacks rely on. It doesn't require expensive hardware or software. It requires knowledge, time, and attention to detail.

Find Out Where Your Server Stands — For Free

If you're not sure how secure your VPS is, the honest answer is that it probably isn't secure enough. But you don't have to guess.

We're offering a free, no-strings-attached Lynis security audit for your VPS. You'll get:

  • A full Hardening Index score for your server
  • A plain-language summary of the most important findings
  • An honest assessment of what's at risk and what's not
  • Clear recommendations for the most impactful improvements

The only requirement is temporary, supervised read-only access to your server to run the scan. We don't make changes, we don't retain access, and we don't share your results with anyone.

There's no sales pressure and no obligation to use our services.

Get your free server security scan

cybersecurity Linux server Lynis server hardening server security VPS security