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For Property Management

An attacker spoofs a rent invoice and reroutes every tenant's payment to their own account.

Tenant payment fraud is the signature attack on property management firms: spoofed rent emails from a hijacked leasing inbox that redirect payments to the attacker. You find out at month-end when the revenue is short and a hundred tenants swear they paid.

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288 scans/day

How often SentinelSMB checks your leasing inboxes for forwarding rules and anomalous activity

Source: SentinelSMB scan schedule: one full scan every 5 minutes

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Threats we catch

Three attacks aimed at property management firms.

36 detection engines check your Microsoft 365, Google Workspace, AWS and Cloudflare accounts every five minutes. Critical threats surface instantly. Normal activity gets filed away.

Rent payment rerouting

An attacker hijacks a leasing or AP inbox, sets silent forwarding on all outbound invoices, then replaces the ACH routing on the next rent cycle. By the time tenants complain their payments did not post, the attacker has collected the whole month.

Owner and tenant PII exposure

Tenant applications hold SSN, DOB, prior addresses, pay stubs, and bank statements. Owner accounts hold EINs, bank routing, and K-1 distribution detail. A single compromised account exposes both sides.

PM software account hijack

AppFolio, Buildium, Yardi, Rent Manager — all integrate via OAuth and SSO against your email. A hijacked email is a hijacked PM platform with full access to the rent roll and owner disbursement flow.

36 detection engines Every five minutes
Rent payment reroutingFlagged. You get a text with the steps to fix it.

Example alert for a made-up business.

Your blind spot

What a typical IT setup does not watch.

  1. Your leasing agents check email from the leasing office, from showings, from their car — every new sign-in location is a potential anomaly we need to baseline.
  2. Rent cycle timing matters — an attacker who hijacks your AP inbox the week before month-end can reroute an entire rent roll before anyone catches it.
  3. OAuth app integrations with AppFolio, Buildium, Yardi, Rent Manager multiply the attack surface — each integration is a credential an attacker can silently abuse.
  4. When the owner asks whether you monitor for unauthorized access to their property's financials, you need a real answer with real evidence.

The screen is an example for a made-up business, not real customer data.

Compliance alignment

The rules and frameworks we line up to.

SentinelSMB provides the continuous-monitoring, access-control, and incident-response controls these frameworks require. Pro subscribers get the audit-ready evidence package.

  1. State property commission rules

    Licensed broker trust accounting

    Most states license property managers as real estate brokers and require trust-accounting controls. Watching the systems that start disbursements helps protect those trust funds.

  2. Fair Housing Act records

    Protected-class data in applications

    Tenant applications collect protected-class information under the Fair Housing Act. Unauthorized access to those records creates exposure beyond a standard PII breach.

  3. State breach notification

    Tenant and owner notification

    Every state requires notification when personal information is accessed without authorization. Property managers trigger notifications on both sides: tenants AND owners, often in multiple states.

  4. Owner management agreements

    Cybersecurity reps and warranties

    If your owner agreements include security promises or breach-cost indemnities, a monitoring record helps show you kept them.

Questions

Questions property management firms ask.

Text Cole at (701) 391-5973
How does this work with AppFolio or Buildium?

SentinelSMB monitors the Microsoft 365 or Google Workspace account your PM platform authenticates through. OAuth grants, API tokens, and SSO logins to AppFolio, Buildium, Yardi, or Rent Manager all leave signals in your email and cloud account — that is what we watch.

What about tenant portal fraud?

The attack typically starts in your email — a spoofed rent email, a forwarding rule, or a hijacked leasing account. Locking down your email is the highest-impact intervention to prevent the downstream tenant-portal fraud.

Does this help meet owner management agreement terms?

If your owner agreements include security obligations, Pro subscribers get the Cyber Insurance Evidence Report which documents your continuous monitoring in a format suitable for owner review and cyber-insurance renewals.

We manage HOA accounts too — any concerns?

HOA fund management adds another layer of trust-accounting obligations. The monitoring approach is the same: watch the email and cloud accounts that authorize disbursements. Pro subscribers get the policy templates suitable for HOA-board review.

Lose one rent cycle. Lose the owner. Lose neither.

Monitor every leasing and AP inbox around the clock for one flat monthly price. Under 10 minutes to connect, cancel in one click.

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