A property sale moves through offers, Form 1 disclosures, contracts, and settlement instructions in a matter of days, often entirely over email and e-signature platforms. That speed is exactly what makes real estate transactions an attractive target - and exactly why the document workflow needs to be secured, not just digitised.
Why Real Estate Document Workflows Attract Fraud
A typical WA property transaction generates a constant stream of email between the agency, buyers, sellers, settlement agents, and sometimes banks - all under time pressure, all expecting documents and instructions to move quickly. An attacker who gains visibility into this thread, either by compromising a mailbox or registering a look-alike domain for the agency or settlement agent, can insert a fraudulent signing link or redirect settlement funds with a request that looks entirely normal in context.
E-Signature Platforms: What They Do and Don't Protect
Platforms like DocuSign and Authority2Act provide strong protection for the signing event itself - encrypted documents, identity verification steps, timestamps, and a tamper-evident audit trail showing exactly who signed what and when. What they don't protect is the email conversation that surrounds the signing request. If an attacker can convincingly insert themselves into that conversation, the security of the signature platform itself becomes irrelevant.
Securing the Workflow End to End
- MFA on every agent's email account - the most common way an attacker gets into the conversation in the first place is a compromised mailbox.
- DMARC enforcement on the agency's domain - prevents criminals from sending mail that appears to come from your own agency to buyers, sellers, or settlement agents.
- A strict phone-verification policy for any change to banking or contact details - call the party on a number already on file, never one provided in the email itself, before acting on any change request.
- Sending signing links only through the verified e-signature platform - never as a PDF attachment or alternate link sent "for convenience," which trains clients to click links from unfamiliar sources.
- Restricting access to trust accounting and CRM systems - so that only staff actively working a file can view or action settlement-related details.
- Storing the authoritative signed copy in the agency's document or trust system - rather than relying on email inboxes as the long-term, secure record.
Identity Verification Beyond the Platform
Most e-signature platforms include some level of identity verification (email-based access codes, knowledge-based questions, or ID document checks on higher-tier plans). For high-value transactions, agencies should layer an independent verification step on top - a phone call to confirm identity and instructions for anything involving a change to previously agreed details, regardless of how legitimate the request looks on screen.
What to Do If a Settlement Instruction Looks Suspicious
Don't act on it until it's verified by phone using a number already on file. If funds have already been transferred to a fraudulent account, contact the bank immediately to attempt a recall, and report the incident to ReportCyber. Speed matters - successful fund recovery is far more likely within the first few hours.
Frequently Asked Questions
Are e-signatures legally valid for WA property transactions?
Electronic signatures are generally accepted for most real estate documents in Western Australia, including sale contracts, under electronic transactions legislation, though some specific documents and circumstances still require wet-ink signatures or particular execution requirements. Agencies should confirm current requirements with REIWA or their legal advisor for any document type they're unsure about.
What's the biggest security risk in a typical agency e-signature workflow?
It's rarely the e-signature platform itself - reputable platforms like DocuSign and Authority2Act use strong encryption and audit trails. The real risk is the email conversation around the document: a compromised agent mailbox or a look-alike domain inserting a fraudulent signing link or redirected settlement instructions into what looks like a normal transaction thread.
Should agencies email PDF copies of signed contracts to clients afterward?
It's common practice, but email is not a secure long-term storage location, and a copy sitting in an inbox is one compromised account away from exposure. Storing the authoritative copy in the agency's document or trust accounting system, with email used only for convenience copies, is the safer approach.
How should an agency verify a buyer or seller's identity for a high-value transaction?
Beyond the identity verification built into most e-signature platforms, agencies should independently verify any changed contact details or banking instructions by phone, using a number already on file, rather than relying solely on email or the details provided in a signing request.
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Book a Free ConsultationFor related reading, see our guides to IT Solutions for Real Estate Agencies in Perth and Business Email Compromise: How Perth SMBs Can Stop Invoice Fraud.