Business email compromise is when a criminal gets into, or imitates, a mailbox to redirect payments. For Dallas firms that send invoices, pay vendors or move client funds by wire, one convincing email can cost more than a year of IT.
Who gets targeted in Dallas
Financial and insurance offices in Uptown and Las Colinas need tight email security and documented controls for client due diligence. Healthcare groups across Plano and Frisco run multi-site practices that need the same setup in every clinic. Distribution and logistics firms near DFW Airport and the Interstate 20 and Interstate 35 corridors run on warehouse Wi-Fi and label printers.
Firms like these send and receive payments by email every week, which is exactly what attackers look for.
How mailbox takeovers start
A stolen password, a fake login page or a look-alike domain lets an attacker read mail, set hidden forwarding rules and send payment requests that look real.
Locking down Microsoft 365
Multi-factor authentication, conditional access, safe sign-in settings and mail flow rules close the common ways in. Filtering catches look-alike domains and malicious links before they reach the inbox.
Texas data rules to know
Under Texas law, a business must notify affected people of a breach of their sensitive personal information within 60 days, and the Texas Attorney General within 30 days when 250 or more Texans are affected.
A hacked mailbox often holds customer records, so an email takeover can become a reportable breach.
Watching for takeover signs
We monitor for suspicious sign-ins, new forwarding rules, account changes and unusual sending patterns. During office hours an engineer acts on alerts by locking the account, resetting credentials and checking what was sent.
Office hours in Dallas
Office hours for Dallas clients are Monday to Friday, 8:00 AM to 5:00 PM Central. Email security services is part of full managed IT for Dallas clients, delivered remote-first with on-site help coordinated when it is needed.
Read more about email security services or see all IT services in Dallas.