Security Glossary

Cybersecurity and Data Terms Decoded

Acronyms may seem complicated, but security principles are straightforward. Clear explanations for key terms.

Core Concepts
Modern Security Terminology
Live Guide
✓DLP y DSPM: Stop endpoint data leaks and map sensitive data across enterprise stores.
✓DSPM: Protect sensitive data with classification and discovery.
✓SSPM: Automatically remediate configuration drift in M365 and SaaS environments.
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DLP (Data Loss Prevention)Explore →
Security technology that detects and blocks unauthorized exfiltration of sensitive data across email, USB, web, and cloud channels.
Detailed guide and architectural analysis →
DSPM (Data Security Posture Management)Explore →
A proactive approach that discovers, classifies, and maps sensitive data repositories across cloud and on-premises storage to mitigate security risks.
Detailed guide and architectural analysis →
SSPM (SaaS Security Posture Management)Explore →
Automated continuous assessment of security configurations, third-party permissions, and identity posture across corporate SaaS applications.
Detailed guide and architectural analysis →
EDR (Endpoint Detection and Response)Explore →
Continuous behavioral monitoring, threat hunting, and automated incident containment capability deployed directly on workstation and server endpoints.
Detailed guide and architectural analysis →
Data Residency & SovereigntyExplore →
The legal and regulatory mandate dictating the physical geographic location where organizational and personal data must be stored and processed.
Detailed guide and architectural analysis →
OAuth Application Risk (SaaS Consent)Explore →
Security threats arising from third-party marketplace plugins and apps granted excessive, persistent API permissions to corporate SaaS data via user consent.
Detailed guide and architectural analysis →
WORM Storage (Write Once, Read Many)Explore →
A storage model where data is written once and cannot be changed or deleted for a set retention period.
Detailed guide and architectural analysis →
Immutable BackupExplore →
A backup copy that cannot be changed or deleted during its retention period.
Detailed guide and architectural analysis →
Zero TrustExplore →
A security model that trusts no user or device by default and verifies every access request.
Detailed guide and architectural analysis →
Shadow ITExplore →
Applications, services and devices that employees use without the approval or knowledge of the IT department.
Detailed guide and architectural analysis →
3-2-1 Backup RuleExplore →
A backup rule: keep 3 copies of data, on 2 different media, with 1 copy at a different location.
Detailed guide and architectural analysis →
RPO and RTOExplore →
RPO is the acceptable amount of data loss in time. RTO is the maximum time accepted to restore a service.
Detailed guide and architectural analysis →
KVKK (Turkish Personal Data Protection Law)Explore →
Law No. 6698, which regulates personal data processing in Turkey. It sets disclosure, security and notification duties for data controllers.
Detailed guide and architectural analysis →
VERBISExplore →
The Data Controllers Registry Information System. The official registry that certain data controllers must join.
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Endpoint ManagementExplore →
Central management of computers, servers and mobile devices for inventory, patching, software deployment and policy.
Detailed guide and architectural analysis →
Patch ManagementExplore →
The process of finding, testing and deploying software updates that close known vulnerabilities on time.
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Data ClassificationExplore →
Labeling data by sensitivity (for example public, internal, confidential) and applying a protection rule for each label.
Detailed guide and architectural analysis →
Insider ThreatExplore →
Harm to data, or a data leak, caused on purpose or by mistake by an authorized person inside the organization.
Detailed guide and architectural analysis →
SIEM (Security Information and Event Management)Explore →
A platform that collects security event logs from different systems in one place, correlates them and raises alerts.
Detailed guide and architectural analysis →
Air-Gapped NetworkExplore →
An isolated network environment with no physical or logical connection to the internet or external networks.
Detailed guide and architectural analysis →
Shadow IT & Shadow AIExplore →
Software, cloud services and AI tools used inside an organization without the explicit approval or visibility of IT and security teams.
Detailed guide and architectural analysis →
Shadow AIExplore →
AI tools that employees use without IT or security approval, such as ChatGPT, Gemini, Claude and browser extensions.
Detailed guide and architectural analysis →
UEM (Unified Endpoint Management)Explore →
An approach that manages computers, servers and mobile devices from one console.
Detailed guide and architectural analysis →
CASB (Cloud Access Security Broker)Explore →
A security layer between users and cloud services that controls access and data flow.
Detailed guide and architectural analysis →
UEBA (User and Entity Behavior Analytics)Explore →
An analysis method that learns normal user and device behavior and detects deviations from it.
Detailed guide and architectural analysis →
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