- Volume editor, Intelligent Systems Reference Library (Springer)
- Volume editor, Advanced Information & Knowledge Processing (Springer)
- Reviewer, IEEE Transactions on Dependable and Secure Computing (IEEE)
- Reviewer, Computers & Security (Elsevier)
- Reviewer, Crime Science (Springer)
- Reviewer, IEEE Access (IEEE)
- Reviewer, Wireless Networks (Springer)
- Reviewer, Expert Systems with Applications (Elsevier)
- Reviewer, Social Network Analysis and Mining (Springer)
Some other journals Dr. Sikos periodically contributes to as a reviewer include Semantic Web – Interoperability, Usability, Applicability (IOS Press), Graphical Models (Elsevier), Journal of Information and Telecommunication (Taylor&Francis), Physica A (Elsevier), Logic and Logical Philosophy, Computing and Informatics, and Journal of Accessibility and Design for All.
Authors report high review satisfaction: according to Springer author surveys, over 90% of authors (strongly) agree that the review reports of Dr. Sikos are useful in improving their manuscript