The Hidden Risk in Your Inbox: Why Shipping Can't Ignore Personal Data
Email is the heartbeat of shipping.
It is more than a communication tool. For most teams, it is the system of record. Fixtures, port calls, customs clearance, crew management: all of it flows through the inbox. But as operational message volumes grow, so does a risk that rarely gets the attention it deserves: personal data.

It is already in your inbox
Shipping runs on documents. And those documents are full of sensitive personal information: crew passports, medical clearances, visa confirmations, payroll details, immigration forms. A significant portion of those pages contain personal data embedded deep within day-to-day correspondence..
This information moves constantly, shared between port agents, crewing teams, counterparties and logistics partners, often without a second thought. Because in the day-to-day rhythm of operations, it feels routine.
But routine does not mean risk-free.
The regulatory tide is rising
For a long time, maritime compliance meant safety and operational regulations. Data protection was someone else's problem but that has changed.
From GDPR in Europe to Brazil's LGPD, Singapore's PDPA, South Africa's POPIA and California's CCPA, data protection frameworks now reach into inboxes across the supply chain. The UAE and Australia have both updated their rules in recent years. More jurisdictions are following.
These laws differ in detail but agree on one principle: businesses are responsible for the personal data they hold. That means knowing where it sits, how it is used, and ensuring it is not kept longer than necessary.
For shipping teams managing high volumes of operational email, that is no small ask.
The problem is human, not malicious
Recent data shows that over 80 per cent of enterprise data is unstructured. That includes email, attachments and PDFs, the formats that dominate shipping inboxes and make personal data almost impossible to track manually.
Email is also the most common cause of data loss. In the past year, 65 per cent of organisations reported email-related data incidents, whilst 91 per cent had experienced security issues caused by human error.
The problem is not malicious attacks.
The problem is human error: forwarding the wrong document, missing a redaction, storing a crew list longer than needed. These are failures of systems that were never built to manage data privacy.
In short, the risk is everywhere. Not because people are careless, but because the systems they rely on were never built to manage data privacy.
What this looks like in practice
James, a port agent in Rotterdam is racing to clear a tanker ahead of a tight berth slot. He forwards a crew list to immigration. Routine, fast, done.
But buried in the attachment are scanned medical certificates from a previous voyage: health details and personal ID numbers for six crew members. No one notices.
Three days later, the same document resurfaces in a forwarded message from a logistics partner. By that point, it has passed through six inboxes, including recipients outside the company and outside any data-sharing agreements.
The consequences are immediate: a formal GDPR report, notifications to every affected crew member, legal and IT scrambling to trace every copy of the file, and operations stalled while the investigation runs.
What started as a quick administrative task triggered a reputational and regulatory crisis, all because of one overlooked email attachment.
What is at stake
The financial exposure is real. GDPR's higher-tier fines can reach €20 million or four per cent of global annual turnover. Cumulative GDPR fines since 2018 now exceed €5 billion.
But the risk goes beyond penalties.
There is the reputational cost: in shipping, trust is built over years and lost in a single incident. There is the operational cost: legal teams responding to data subject access requests, compliance teams running internal audits, IT teams retrospectively tracing what was sent, where and to whom.
All of that pulls focus from running vessels and moving cargo.
Getting ahead of it
Most shipping businesses do not set out to mishandle personal data. But high email volumes, shared inboxes and fragmented systems make manual oversight impossible at scale.
Sedna gives shipping teams visibility over where personal data lives across their communications, and the controls to act when something needs to be redacted, flagged or removed.
This is not just a compliance requirement. It is an operational one. In an industry where reputations depend on how securely and transparently you handle information, getting this right is part of running the business well.
Sedna's Personal Data Redaction detects and redacts sensitive personal data in emails and attachments, without disrupting how teams work.
To see it in action, join our webinar on 26 March. Register your spot here.

