Signature verification is a forensic process used to determine the authenticity of a person's signature by examining and comparing its distinctive characteristics. Since every individual develops unique signing habits over time, signatures serve as an important means of personal identification in legal, financial, and official documents. Forensic experts analyze signatures to identify genuine writings, detect forged signatures, and establish authorship in disputed cases.
During examination, experts study various features such as pen pressure, stroke formation, slant, speed, rhythm, spacing, alignment, connecting strokes, and signature movement. Genuine signatures typically display natural consistency, while forged signatures often reveal hesitation, tremors, unnatural pen lifts, or inconsistent writing patterns. Advanced forensic tools, including microscopes, digital imaging systems, and handwriting comparison software, are used to enhance accuracy and reliability.
As signatures are legally recognized forms of personal authentication, signature verification plays a vital role in preventing fraud, protecting document integrity, and supporting forensic investigations with reliable expert analysis.