Strip Cut refers to shredding of the document vertically only. The IDEAL standard width of a strip is 4mm. An A4 page will get stripped into 53 pieces.
Cross Cut refers to shredding of the document both vertically (into strips) and horizontally into pieces 4cm long. An A4 page will get cross cut into 400 pieces
Cross Cut shredding offers 7.5 times greater security for shredded information than Strip Cut does.
The DIN 66399 Standard for the destruction of data defines security levels for the protection of data once shredded.
Shred Cut documents qualify under P-2, where documents are rendered illegible.