Topic desk
Threats, defence, forensics and secure design
21
context-rich bilingual stories
Cybersecurity
6 minSkill grows from a sequence of networking, web, operating-system, reporting and authorised lab practice—not from a certificate label. This article makes no claim about anyone's certification. This guide opens the subject through context, evidence, Bangladesh…
Cybersecurity
5 minMapping assets and trust boundaries first makes attack paths, adversary capability and the highest-value controls visible. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minNmap can build a visible inventory of hosts and services, but scanning must stay inside networks you own or have written permission to test. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minBefore a web request completes, several conversations may occur across ARP or neighbour discovery, DNS, TCP or QUIC, and TLS. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minAn intercepting proxy reveals and alters browser-server traffic; that power belongs only in authorised labs, demo apps or an explicitly scoped bug-bounty target. This guide opens the subject through context, evidence, Bangladesh relevance and practical verifi…
Cybersecurity
6 minInjection or broken access control may gain new labels, yet recurring causes are often untrusted input, unclear ownership, weak defaults and incomplete testing. This guide opens the subject through context, evidence, Bangladesh relevance and practical verific…
Cybersecurity
5 minAn exploit framework can demonstrate known-flaw impact, but live targets, persistence and payload execution require written authorisation and isolation. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minAuthentication establishes who a user is; authorization decides what that verified identity may do to each resource. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minRole-based access control works when roles match duties, permissions stay small and access is reviewed on time. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minServer-side validation of type, length and business rules, followed by deny-on-failure behaviour, is the beginning of secure defaults. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minBeyond a history list, caches, cookies, downloads, local storage and session artefacts combine into a tentative activity timeline. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
Cybersecurity
5 minA RAM image may retain processes, network connections, injected code, decrypted configuration and transient credential traces absent from disk. This guide opens the subject through context, evidence, Bangladesh relevance and practical verification.
