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Are File Hosting Services Putting Your Business at Risk?

Watch for this clever phishing scam

Arthur Gaplanyan

Shared Document Scam

Imagine a typical workday morning where you’re checking your email, and there’s a notification from a familiar file hosting service—maybe SharePoint or Dropbox. The message says someone shared an important document with you. You click, expecting business as usual, but instead, you’ve unknowingly walked into a phishing trap.

This scenario is becoming alarmingly common as cybercriminals exploit trusted file hosting platforms to trick small and mid-sized businesses (SMBs). Let’s break down how this threat works, the risks it poses, and how you can stay one step ahead.

What’s the Threat, Exactly?

Phishing scams aren’t new, but they’ve evolved. Instead of relying on poorly crafted emails with suspicious links, attackers are now using legitimate file hosting services as their weapon of choice. Why? Because you trust these platforms. When a familiar service sends a file-sharing notification, you’re more likely to open it without a second thought.

These scams often involve:

Compromised accounts:

Hackers hijack a real user’s account on a platform like OneDrive or Google Drive.

Fake documents:

They upload files mimicking login pages or forms that trick you into revealing sensitive details.

Trusted notifications:

Since the notification comes directly from the file hosting service, it seems genuine.

The result? A well-disguised attack that can snatch your passwords, financial data, or other critical business information.

How Does This Scam Work?

Here’s the play-by-play:

Hijack a Legitimate Account:

The attacker gains access to an existing account, often by buying stolen credentials or exploiting weak passwords.

Set the Trap:

They upload a malicious file, like a PDF with links to a fake login page, designed to harvest your credentials.

Leverage Trust:

The attacker shares the file, triggering a legitimate email notification from the file hosting service. The message appears normal—why wouldn’t it? It’s coming from a trusted source.

Seal the Deal:

You open the file or follow the link, unknowingly handing over your information.

The sophistication of this approach lies in how well it hides malicious intent behind a familiar, trusted façade.

Why Should SMB Owners Care?

For SMBs, the stakes are high. Falling victim to such scams can lead to:

Data Breaches:

Hackers can access sensitive client and business data, leading to loss of trust.

Financial Loss:

Stolen credentials may allow attackers to initiate unauthorized transactions or extort money.

Operational Disruption:

Phishing attacks often pave the way for malware or ransomware, grinding your operations to a halt.

Reputational Damage:

Clients may question your ability to protect their data, potentially costing you business.

The bottom line? Even a single attack can have far-reaching consequences for your business.

How to Protect Your Business

Fortunately, you’re not powerless against these scams. A few proactive measures can make a big difference:

Train Your Team:

Make sure your employees know how to spot phishing attempts. Encourage them to double-check unexpected file-sharing notifications.

Enable Multi-Factor Authentication (MFA):

This extra security layer ensures that even if passwords are stolen, attackers can’t easily access accounts.

Verify Files:

Teach staff to verify shared files with the sender using a separate communication method before opening.

Review Access Privileges:

Limit who can access what on your file-sharing platforms. The less access, the smaller the risk.

Monitor Activity:

Regularly audit your file hosting accounts for unusual activity like unexpected file uploads or share requests.

Take Charge of Your Cybersecurity

The reality is, phishing scams are here to stay, and cybercriminals are only getting smarter. But with the right tools and practices, your business doesn’t have to be an easy target.

Stay informed, invest in security measures, and make cybersecurity a team effort. It’s like locking the doors to your office—only this time, you’re protecting your digital assets.

After all, your business is too important to leave vulnerable. Ready to take the next step? Start by educating your team today.