Plain-English Tech Glossary

Cybersecurity

Essential Eight

A prioritized set of 8 baseline cybersecurity mitigation strategies developed by the Australian Cyber Security Centre (ACSC) to help businesses protect against common cyber threats.

Why it matters: Essential Eight compliance is increasingly required by Australian insurers before issuing cyber insurance policies.

Security & Access

Multi-Factor Authentication (MFA)

A security process where a user must provide two or more proofs of identity (such as a password plus a temporary code sent to an authenticator app) before gaining access to an account.

Why it matters: MFA blocks over 99% of automated account compromise attempts on email and banking logins.

Managed Services

Managed Service Provider (MSP)

An external IT firm that proactively manages and monitors a company's technology infrastructure, user workstations, network security, and helpdesk support for a fixed monthly fee.

Why it matters: Provides proactive prevention and guaranteed response times rather than waiting for expensive downtime to occur.

Agreements & Support

Service Level Agreement (SLA)

A formal commitment outlining the response and resolution times an IT provider guarantees for technical issues, categorized by severity from critical outages to standard requests.

Why it matters: Gives your business certainty that urgent outages will be addressed rapidly according to contractual standards.

Cybersecurity & Defense

Endpoint Detection & Response (EDR)

Advanced security software installed on computers and servers that continuously monitors behavioral activity to detect, isolate, and neutralize cyber threats in real time.

Why it matters: Far more powerful than traditional antivirus because it catches modern fileless malware and active ransomware behavior.

Compliance & Privacy

Data Sovereignty

The legal principle that digital data stored in the cloud is subject to the privacy laws and governance of the country in which it is physically located.

Why it matters: Australian businesses must ensure sensitive customer and patient data is hosted within Australian sovereign data centers.

Networking & Wi-Fi

Mesh Wi-Fi Network

A multi-device wireless network that uses several coordinated access nodes to spread a single, seamless Wi-Fi connection across large, multi-story homes or commercial offices.

Why it matters: Eliminates Wi-Fi dead zones, dropped Zoom calls, and buffering without needing to manually switch networks.

Data Resilience

Immutable Backup

A secure backup copy of your data that cannot be altered, overwritten, encrypted, or deleted by any user or automated malware for a predetermined retention period.

Why it matters: Guarantees you can fully restore operational files even if ransomware infects your primary local network.

AI & Automation

Zero-Trust Architecture

A cybersecurity model built on the principle of "never trust, always verify," requiring strict identity verification for every user and device attempting to access network resources.

Why it matters: Prevents an attacker who breaches one password from automatically accessing company-wide financial and customer records.

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