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Sign and Secure Adobe PDFs with PDF Signing

Moving from paper-based to electronic document workflows increases productivity and reduces costs for organisations, but can also increase the risk of document forgery or tampering. Organisations need a solution that offers their electronic documents the same assurance of origin and integrity as a wet ink signature provides a physical document.

Using PDF Signing to certify and add approval signatures to the document is the electronic equivalent of adding a wet ink signature. A certified document assures the recipient that the document is authentic, comes from a verified source, and has not been tampered with. Approval signatures expedite an organisation's approval procedure by capturing the electronic approvals made by individuals or departments and embedding them within the actual PDF.

As a member of both Adobe’s Certified Document Services (CDS) and Approved Trust List (AATL), GlobalSign PDF Signing Certificates are compatible with Adobe Acrobat/Reader 8.0+ (certificates from AATL-only providers are compatible with Adobe Acrobat/Reader 9.0+).

Prove document integrity

Supports multiple approvers

Supported Programs

  • No plug-ins or extra software needed
  • Scalable solution, desktop or server-based options available
  • Timestamping supports time sensitive document transactions and audit trails
  • Compliant with digital signature regulations
  • Save time and resources, remove cumbersome paper-based transactions
  • Assures document has not been altered since sending
  • Signatures can be customized with any font, size, and even images
  • Compatible with Adobe Acrobat/Reader 8.0+
Certify your documents
Adding a certifying signature to a PDF means you are the author of the document, have finalized its contents, and want to secure it against tampering after it has been distributed. Certified documents display a blue ribbon across the top of the document containing the signer's name and the Certificate issuer - a clear, visual indicator of document authenticity and authorship.

Ideal for:

- Healthcare Industry: Prove the origin of confidential reports and ensure they cannot be altered after distribution.
- Architecture/Engineering/Construction Industry: Protect your intellectual property by making sure no one can make any changes to your drawings or plans after publishing. You can also choose to include your Professional Engineer seal as part of your signature. In addition, many State Departments of Transportation and other regulating bodies now require digital signatures for electronic document submission.
- Any organizations implementing electronic workflows around sensitive or proprietary documents, where preserving document origin and integrity is necessary.

Add Approval Signatures

If you receive or create a PDF with a digital signature field, you can use your PDF Signing Certificate to add your signature. Signatures can be customized to include an image (e.g., your physical signature or official seal) and various signature details (e.g., signing location, date, reason for signing).

Ideal for organizations wishing to move the following types of documents online:

- Purchase Orders
- Contracts
- Invoices
- Sales Quotes
- Any other high value documents
GlobalSign is an approved member of Adobe's Certified Document Services (CDS) program and our PDF Signing Certificates are transparently trusted by Adobe Acrobat. This means once you receive your Certificate you can immediately begin certifying and digitally signing PDFs, without the need to install any additional software or plug-ins.

Adobe Reader's simple to interpret “Blue Ribbon, Yellow Warning Triangle, and Red X” messaging allows even novice users an easy to understand method to determine if the document is legitimate.

GlobalSign partners with Seiko for timestamping so the date and time are captured each time you sign a document, providing the unarguable evidence essential for time sensitive transactions and audit trails.
Adobe Acrobat/Reader:
- Digitally sign and/or certify PDFs with:
Acrobat Standard/Professional - Version 8.0+x
Adobe LiveCycle Document Security Server - Version 9.0+

- Validate signed PDFs with:
Acrobat Elements v8.x+
Adobe Reader v8.x+
Adobe LiveCycle Document Security Server v.8.x and LiveCycle ES Digital Signatures


For Acrobat to access the certificate (signing key) on your USB token, you must have installed the SafeNet iKey drivers for your Operating System.
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