How to Handle a Breach of Confidentiality

Someone leaked your trade secrets. A former employee shared your client list with a competitor. A contractor posted your proprietary data online. Whatever the specifics, a breach of confidentiality can cost your business real money. How you respond in the first 48 hours often determines whether you limit the damage or watch it spiral.

This guide covers what a breach of confidentiality actually is, your legal options, and the steps you should take right now if you are dealing with one.

What Counts as a Breach of Confidentiality

A breach of confidentiality occurs when someone discloses information they were legally or contractually obligated to keep private. This can happen through a free non-disclosure agreement, an employment contract, a professional duty (like attorney-client privilege), or even an implied obligation based on the nature of the relationship.

Not all leaks are breaches. If the information was already public, independently discovered by the other party, or shared with your consent, it typically does not qualify. The breach has to involve information that was genuinely confidential and disclosed without authorization.

Immediate Steps After Discovering a Breach

Speed matters. The longer confidential information circulates, the harder it is to contain. Take these steps as quickly as possible.

• Identify exactly what information was disclosed and to whom
• Preserve all evidence: emails, messages, screenshots, access logs
• Revoke the breaching party's access to any remaining confidential systems or data
• Notify your legal counsel immediately
• Assess the potential financial and competitive impact
• Determine whether customers, partners, or regulators need to be notified

Your Legal Options

If you have an NDA or employment agreement with a confidentiality clause, you have a clear legal basis for action. Your options typically include sending a cease and desist letter, filing for an injunction (a court order stopping further disclosure), and suing for monetary damages.

A free cease and desist letter is often the first move. It puts the breaching party on formal notice that you know about the disclosure and intend to enforce your rights. Many breaches are resolved at this stage without going to court, especially when the other side realizes they are clearly in the wrong.

Building Your Case

If the breach goes to litigation, you need to prove three things: the information was confidential, the breaching party had an obligation to keep it secret, and they disclosed it without authorization. Documentation is everything. Pull together the original NDA or contract, evidence of what was shared, proof that the information was actually treated as confidential within your organization, and evidence of damages.

That last point is important. You cannot just say "they leaked our stuff and it hurt us." You need to quantify the harm. Lost revenue, lost clients, reduced competitive advantage, cost of remediation. Courts award damages based on actual losses, not theoretical ones.

Preventing Future Breaches

After you handle the immediate crisis, fix the system that allowed the breach to happen. Tighten access controls so employees and contractors only see the information they need. Use strong NDAs with every person who touches sensitive data. Include confidentiality clauses in your free employment contract templates. Conduct exit interviews and remind departing employees of their ongoing confidentiality obligations.

• Require NDAs before sharing any proprietary information
• Limit access to confidential data on a need-to-know basis
• Use digital rights management and access logging
• Train employees on what qualifies as confidential
• Conduct thorough offboarding when people leave the company

When to Involve Law Enforcement

Most confidentiality breaches are civil matters, meaning you handle them through lawsuits and contracts. But if the breach involves theft of trade secrets under the Defend Trade Secrets Act, corporate espionage, or hacking into your systems, it crosses into criminal territory. Contact law enforcement if you believe the breach was intentional and involved unauthorized access to your systems or falls under trade secret theft statutes.