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Most company data isn’t stolen by hackers. It’s sent out by mistake.
Think about it. Someone emails a price list to the wrong client. A developer pastes code into ChatGPT to fix a bug. An HR file gets shared with “anyone with the link.” Nobody means any harm, but the data is gone.
This happens far more often than people think. Proofpoint found that 85% of organisations lost data at least once in a single year. That’s why data loss prevention matters so much now.
In this blog, we’ll explain what DLP is, the main types, which tools to look at and how to build layered data protection that doesn’t get in your team’s way.
Data Loss Prevention is a system of procedures and tools that helps one guard important information from leaving an organisation. DLP identifies where such data is stored, monitors its flow and when there is something suspicious, DLP intervenes.
For example, in case someone tries to send a document with Aadhaar numbers to a personal Gmail account, the tool can stop the action or ask for the user’s approval.
DLP looks after data wherever it is. That could be stored on a laptop or server, moving through email or the web, or open on someone’s screen.
Some people call it data leakage prevention. It’s basically the same thing. “Leakage” usually means accidental exposure, while “loss” includes theft as well.
In our work with clients, leaks almost always start in one of four places.
The first is simple human error. Verizon found that people played a part in 60% of breaches through mistakes, phishing, or misuse.
The second is insiders who take data on purpose, often just before they leave. These incidents cost companies an average of $17.4 million a year and take 81 days to contain.
The third is newer: AI tools. In 2023, Samsung limited ChatGPT use after engineers uploaded internal source code to it. IBM now reports that unapproved AI use led to breaches at one in five companies, adding up to $670,000 to the cost.
The fourth is outside attackers. Once they’re in, they quietly copy data out. Customer personal data was exposed in 53% of breaches.
Each type of DLP guards a different exit.
This checks data leaving your office network, like uploads to unknown websites. It’s useful, but it can’t see laptops working from home unless they connect back through your network.
It operates at the level of each laptop and desktop. This solution can block the copying of documents to USB drives, their printing and pasting in a dangerous place.
This controls applications such as Microsoft 365, Google Drive, Salesforce and detects public share links and uploads to private accounts.
This scans outgoing mail. It flags attachments with PAN numbers, bank details, or other sensitive data before they’re sent.
Most enterprise DLP platforms now cover all four in one place. Smaller teams usually start with email and cloud, because that’s where most of their data moves.
A DLP tool can only protect data it recognises. If your files aren’t labelled, it’s just guessing. That’s why good data protection is built in layers:
Each layer covers the gaps in the others. Together, they make data leakage prevention work in real life, not just on paper.
We’ve seen many DLP projects fail for one reason: they block too much, too soon. Staff can’t do their jobs, complaints pile up and the tool gets switched off.
A better way is to go slow. Run DLP in “monitor only” mode for the first month or two.
You’ll learn how data really moves before you block anything.
After that, protect your most sensitive data first, such as customer IDs, payment details and source code. Use warning pop-ups before hard blocks. A quick “Are you sure?” stops a lot of mistakes.
Then review alerts every month and adjust your rules. Keep good logs too. Under the DPDP Act, you must inform the Data Protection Board and affected people after a breach. Clear records make that much easier.
Many companies offer DLP products to businesses. Well-known solutions include Microsoft Purview, Broadcom (Symantec), Forcepoint and Trellix. Cloud-based solutions such as Netskope and Zscaler are also popular among users.
Here is what to consider when comparing various DLP solutions:
If you have Microsoft 365 E5, then you may use Purview. In all other cases, you may try to combine multiple DLP products from different vendors.
Buying the tool is the easy bit. Running it well takes time and skill. Someone has to tune rules, review alerts and look into incidents every week. Most mid-sized companies don’t have spare people for that.
This is why many businesses choose Data Loss Prevention Services. A good Data Loss Prevention Services Provider sets up your solutions, fine-tunes them and monitors them for you. Managed DLP Services also bring in experts who’ve seen how leaks happen across many industries.
When choosing a Data Loss Prevention Solutions Provider, ask about their experience in your sector and how they handle incidents.
If you need on-site support, a local data loss prevention services company can help. For instance, a Data Loss Prevention Services Company in Ahmedabad can quickly support Gujarat’s pharma and manufacturing firms. Similarly, a Data Loss Prevention Services Company in Delhi suits businesses across the NCR.
Firewalls are great at keeping attackers out. But they can’t stop a trusted employee from sending the wrong file. That’s the gap data loss prevention fills.
The best results come from layers: knowing your data, limiting access, encrypting files, setting sensible rules and keeping people aware. Put together, that’s strong data protection.
ECS can help you get there. As a leading Data Loss Prevention Services Company in India, we offer best prevention that fit how your team works. Whether you’re looking for a Data Loss Prevention Services Company in Ahmedabad, Delhi, or anywhere, we’re ready to help.
Book a DLP assessment with ECS and find out where your data might be leaking today.
Not at all. Cloud-based DLP Services make it affordable for small and mid-sized businesses too. You can start with email and cloud apps, then grow from there.
Backup helps you get lost data back. DLP stops data from leaking in the first place. Every business needs both.
A simple setup can be accomplished within a matter of weeks. However, the complete DLP setup in a company may take anywhere between three and six months, along with tuning.
You must check that the service provider’s engineers are certified, have sufficient experience in your domain and provide post-installation support. A good Data Loss Prevention services provider will start with the process of understanding your data instead of selling the product directly.
