Check fraud is one of the fastest-growing financial crimes in the U.S., costing businesses billions each year. Whether you're a small business owner writing payroll or a finance manager cutting vendor payments, the checks you use matter. High security checks are engineered to prevent fraud, alteration, and counterfeiting—and they're an essential upgrade over standard business checks.

Here's what you need to know about high security checks, the features that set them apart, and where to buy them online.

What Are High Security Checks?

High security checks are business or personal checks printed with advanced fraud-prevention features built into the paper, ink, and design. Unlike basic checks, which offer minimal protection, high security checks are designed to resist tampering, chemical alteration, photocopying, and counterfeit reproduction.

They're the go-to choice for businesses that write high-value checks, process large volumes of payments, or have been targeted by check fraud in the past.

Key Security Features to Look For

Not all "security" checks are created equal. When shopping for high-security checks, look for the following industry-standard features:

• Chemical Protection: Reacts visibly if someone attempts to alter written amounts or payee names using bleach, acetone, or other solvents.
• Microprinting: Tiny text (often on the signature line or borders) that appears as a solid line to the naked eye but reveals words under magnification. This is nearly impossible to reproduce on a copier.
• True Watermarks: Embedded into the paper itself and visible only when held at an angle to a light source. Counterfeiters using scanners cannot replicate them.
• Heat-Sensitive Ink: Icons that disappear or change color when exposed to heat (like breath or friction), verifying authenticity instantly.
• Security Screen Backer: Warning text printed on the back of the check that voids photocopies and reveals tampering.
• Erasure Protection: Colored fibers embedded in the paper that make erasure attempts obvious.
• Toner Adhesion: Paper specifically designed to bond with laser printer toner so printed information can't be lifted or altered.
• Holographic Foil/Seal: A shifting, 3D-like image that changes color or pattern when tilted, making it virtually impossible to reproduce with scanners or copiers.

The strongest high security checks feature 10 or more of these safeguards combined, meeting or exceeding Check Payment Systems Association (CPSA) standards.

Who Needs High Security Checks?

High security checks are ideal for:

• Small and mid-sized businesses issuing payroll or vendor payments
• Accounting firms managing client trust accounts
• Nonprofits handling donor funds
• Property managers and law firms with escrow responsibilities
• Any organization that has previously experienced check fraud

If your business writes checks regularly, upgrading to a high security format is one of the simplest, most cost-effective fraud prevention investments you can make.

Where to Find High Security Checks Online

Buying high security checks online is faster and typically more affordable than ordering through your bank. Reputable online check printers offer the same (or better) security features at a fraction of the price, along with faster turnaround and better customization options.

One trusted source is ABC Check Printing's High Security Laser Checks collection, which offers laser-compatible business checks loaded with multi-layer fraud protection features. Their high-security checks are compatible with major accounting software, including QuickBooks, Sage, and Peachtree, and are printed to meet strict banking specifications.

Reliable High Security Checks Online

Standard checks leave your business exposed to fraud that can take weeks or even months to recover from. High security checks provide layered protection that stops most fraud attempts before they succeed. When you're ready to upgrade, buy from an established online check printer with a proven track record in secure financial documents, and always verify that your checks include the fraud prevention features your business actually needs.

Protect your accounts. Protect your bottom line. Choose high-security checks.

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