Regular Paper Submissions: Submitted papers may not be accepted or under review elsewhere. Submissions may be up to eight pages in conference format (double blind reviewing). Please visit conference web page https://wifs2018.comp.polyu.edu.hk for more details. Papers accepted and presented at WIFS 2018 will also appear in IEEE Xplore library. Conference Venue M1603,07, Li-Ka Shing Tower HKPolyU, Hong Kong  Biometrics  Multimedia Content Hash  Cryptography  Network Security  Data Privacy and Anonymity  Security of Large Networked Systems  Communication and Physical-Layer Security  Steganography and Covert Communications  Digital Forensics and Analysis  Surveillance  Hardware Security  Usability and Human Factors  Information Theoretic Security  Watermarking and Data Hiding Session on SPL and TIFS Papers: Authors of IEEE Transactions on Information Forensics and Security and IEEE Signal Processing Letters papers will be given opportunity to present their work during WIFS 2018, subject to availability of space and approval by program chairs. The technical program will also include demo and ongoing work session from researchers in academia/industry.