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The following topics are dealt with: spelling based CAPTCHA system; nonintrusive authentication approach; data protection; mouse dynamics; performance evaluation; multimodal biometric system; fingerprint authentication; dual basis GF(2m) multiplications; local binary pattern; local phase quantization; face recognition; convertible multiauthenticated encryption scheme; hardware resource manager; particle swarm optimization; adaptive fuzzy time series; generalized ring signatures; hardcopy document authentication; public key encryption; 2D barcodes; multibit adaptive embedding algorithm; antiforensic steganography; Liu´s generalized lambda-measure based Choquet integral; finger vein template; message passing; cloud environments; print-and-scan resilient watermarking; DCT coefficients; P2P network based reputation systems; end-of-utterance detection; robust hierarchical linear model comparison; and run time control flow errors detection.