It usually starts with a question nobody wants to ask out loud:
"What happens when we send something we shouldn't?" or worse. "What happens if I sent something sensitive to someone on accident?"
Every organization has invested in stopping threats from getting in. Phishing filters, behavioral AI, security awareness training, maybe even a comprehensive Email Security platform sitting on top of M365. Good. That side of the equation has matured significantly over the last decade. But while inbound detection was getting smarter, outbound email, the channel through which patient records, payment card numbers, financial disclosures, and contracts full of PII leave the building every single day, has been frequently ignored.
Ignorance is bliss until it's expensive. According to IBM's 2025 Cost of a Data Breach Report, the average cost of a U.S. data breach reached $10.22 million, an all-time high driven largely by regulatory fines and slower detection times. Customer PII was the most frequently compromised data type, showing up in 53% of all breaches analyzed. A meaningful share of those incidents didn't start with a sophisticated attacker breaking through a perimeter. They started with someone on the inside hitting "Send."
Whether you're in financial services, healthcare, or simply deal with sensitive client information, the penalties are getting harsh. Violations for HIPAA penalties can reach over $2 million per wrongful act and GDPR fines scale to 4% of global revenue. We are well past misdirected email remaining a minor mistake.
HIPAA Journal's 2025 Healthcare Data Breach Report, unauthorized access and disclosure incidents, the category that includes accidental email exposure, increased 17.4% year over year. If you're serving clients in regulated verticals, this isn't a trend you can afford to watch from the sideline.
According to the Verizon 2025 Data Breach Investigations Report, which analyzed over 22,000 security incidents and 12,000 confirmed breaches, phishing remained the most common breach cause at 16% of incidents. But the report also flagged outbound data loss prevention as a growing concern, specifically recommending that organizations tune outbound DLP systems to detect sensitive data leaving through everyday channels.
So we've got the regulatory fines increasing and the analysts recommending we address it. And yet, if you walk into most security operations centers or MSP war rooms and ask "What's your outbound email protection strategy?"... you'll get a pause. Maybe a long one.
That's a costly gap in coverage.
I talk to MSPs and security leaders regularly who treat outbound email encryption as a "nice to have." Something they'll get to eventually. The regulatory landscape disagrees.
According to the IAPP, 144 countries now have data protection and privacy laws on the books. According to MultiState's 2026 tracking, 20 U.S. states have comprehensive consumer privacy laws in effect this year, with new laws in Indiana, Kentucky, and Rhode Island kicking in this past January. Nine additional states amended their existing privacy laws in 2025 to expand their scope. The EU AI Act takes full effect in August 2026, adding new requirements for how organizations handle data in AI-driven communications.
HIPAA, PCI DSS, SEC regulations, GDPR. Every one of them carries specific requirements for protecting sensitive data in transit. And email remains the primary channel through which that data moves. You can have the most sophisticated inbound detection stack on the planet, and none of it addresses what leaves the outbox.
The industry spent billions perfecting inbound AI. Behavioral analysis, real-time threat intelligence, automated remediation, all pointed at stopping threats from reaching the inbox. The outbound side? Still largely unmanaged, or managed by tools that create more friction than protection.
Here's the uncomfortable truth: it's not that organizations haven't tried to solve this. Many have. The problem is that the tools they deployed made the experience so painful that adoption collapsed.
If you've ever been on the receiving end of a legacy encrypted email, you know exactly what I mean. You get a notification. You click through. You're asked to create a portal account, set a password, verify your identity, maybe answer a security question from 2014. All of this just to read a single message. For recipients who interact with encrypted email once or twice a year, this process is nearly indistinguishable from a phishing attempt. So they don't open it due to suspicion alone. The sensitive data sits in a portal nobody checks, and the sender walks away assuming the message was delivered securely.
And the deployment side is its own headache. Gateway-based encryption routes all outbound mail through a third-party infrastructure, which means any disruption to that infrastructure disrupts your entire mail flow. Rolling back isn't quick.
For MSPs managing dozens or hundreds of tenants, deploying and maintaining gateway encryption across every customer environment is an operational tax that rarely justifies the return.
The result? Organizations either skip encryption entirely or deploy it in name only, checking a compliance box while the actual risk sits wide open.
The path forward isn't more infrastructure. It's less. Outbound email security has to meet three conditions to actually deliver on what it promises.
Automatic Policy Enforcement: Relying on users to remember to encrypt is a strategy that fails on the first busy Tuesday of the quarter. Policy-based triggers that scan message content, attachments, and recipient domains for sensitive data patterns need to be the baseline, not the premium tier.
Frictionless User Experience: If the person on the other end can't open the message without creating an account, calling a help desk, or resetting a password they set six months ago, the encryption fails at the point of delivery. One-time passcode authentication, where the recipient verifies by entering a code sent to their inbox, eliminates the barriers that killed adoption with legacy tools. No account creation. No password. No software to install.
The Solution is Built Around Your Environment: Outbound encryption should layer onto your existing email environment without rerouting inbound mail, without adding new infrastructure to manage, and with the ability to roll back instantly if something goes sideways. Not something that
The compliance cliff doesn't require more infrastructure. It requires encryption that people actually use.
This is the problem IRONSCALES built its Email Encryption and outbound DLP capability to solve.
It layers directly onto your existing M365 environment. No gateway. No rerouting of inbound mail. Deploys quickly and rolls back instantly. Policy-based, email-DLP triggers encrypt automatically when sensitive content is detected, so you're not relying on users to remember. Recipients authenticate with a one-time passcode and a secure link. No portal account. No password. No friction.
For MSPs, it's a compliance-driven service tier managed from the same multi-tenant console you already use for inbound protection. For enterprises in healthcare and financial services, it's the enforceable outbound control that auditors, regulators, and cyber insurers are asking to see. IRONSCALES supports compliance alignment across HIPAA, GDPR, PCI DSS, SEC, FERPA, and NAIC.
The broader platform story matters here too: this isn't a standalone encryption vendor. It's outbound protection added to the same platform that already handles inbound threat detection, security awareness training, DMARC, and account takeover protection.
One console. One vendor. One place to prove to an auditor that email security covers both directions.
Curious to learn more about IRONSCALES Encryption? Reach out to our team to set a demo and discover how seamless encryption adoption can be for your organization.