A fraudulent, domain-authenticated government email tricked Revolut into disclosing passports, selfies and bitcoin transaction histories. What every data-holding business should learn from it.
Technology · Topic
Cybersecurity
Practical cybersecurity guides for businesses — threats, defenses, compliance, and incident response.
- 21 guides
- Updated Sep 13, 2026
Latest in Cybersecurity
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Business Continuity and Disaster Recovery: A Resilience Guide
Business continuity and disaster recovery — the difference between them, recovery objectives, why tested backups are the foundation, and how to build resilience that ensures survival.
Cyber Insurance: A Business Guide to Coverage
Cyber insurance for business — what it covers, why insurers now require security basics, how it complements rather than replaces defenses, and what to understand about a policy.
Security Monitoring and SIEM: Detecting Attacks Early
Security monitoring and SIEM — how they turn scattered logs into early warning of an attack, what SIEM adds at scale, and why detection matters as much as prevention.
Mobile and BYOD Security: Protecting Business Data
Mobile and BYOD security — the risks personal devices create, the encryption, MFA, and remote-wipe essentials, and a BYOD policy that secures data while respecting privacy.
DDoS Protection: Keeping Your Service Online
DDoS protection for business — how these attacks overwhelm a service, why availability is a security concern, and the CDN and mitigation defenses that keep you online.
Data Encryption for Business: A Practical Guide
Data encryption as your last line of defense — protecting data at rest and in transit, why key management matters, and how to apply encryption practically across your business.
Vendor and Third-Party Risk Management: A Business Guide
Managing vendor and third-party risk — why a vendor’s breach becomes yours, how supply-chain attacks work, and the vetting, least privilege, and contracts that contain the risk.
Security Audit and Assessment: Finding Gaps First
How a security audit finds your vulnerabilities before attackers do — the assessment cycle, self-check versus penetration testing, and turning findings into a prioritized plan.
VPN and Secure Remote Access: A Business Guide
Secure remote access for business — what a VPN protects and its limits, zero-trust network access, and the encryption, authentication, and device security that keep remote work safe.
Zero Trust Security: A Business Guide to the Model
Zero trust security explained — never trust/always verify, least privilege, and assume breach — and how any business can apply its principles in a perimeter-less world.
Cybersecurity Framework and Compliance: A Business Guide
A cybersecurity framework’s five functions — identify, protect, detect, respond, recover — that turn scattered security into a complete program, and how they underpin compliance.