SLR1.4 – Network security OCR GCSE (J277) SLR 1.4 Forms of attack OCR GCSE (J277) SLR 1.4 Threats posed to networks OCR GCSE (J277) SLR 1.4 Identifying and preventing vulnerabilities Also in this topic... SLR1.1 – Systems architecture SLR1.2 – Memory and storage SLR1.3 – Computer networks, connections and protocols SLR2.2 – Programming fundamentals SLR2.5 – Programming languages and IDEs