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Data
Protection

Most organisations have no idea where their sensitive data actually lives. Personal records, financial data and intellectual property accumulates across SharePoint, email, Teams and external shares β€” unclassified, unprotected and completely unmonitored.

Octa1ne deploys Microsoft Purview, Wiz and specialist DLP tooling to discover, classify and protect every piece of sensitive data across your environment β€” automatically enforcing protection policies, preventing data loss and generating the GDPR, ISO 27001 and NIS2 compliance evidence your organisation needs.

€20M
Max GDPR fine
83%
Breaches involve personal data
72 hrs
Breach notification deadline
287 days
Avg data loss undetected
THE DATA PROTECTION PROGRAMME

Four stages. One continuous programme.
Running automatically every day.

Data protection is not a one-time project. Your data estate changes every day β€” new files created, new shares opened, new employees joining and leaving. Octa1ne runs the full four-stage programme continuously.

πŸ”
STAGE 01
Discover
What data do you have and where is it?

Microsoft Purview Content Explorer scans every SharePoint site, mailbox, OneDrive and Teams channel β€” building a complete map of your sensitive data estate including data you did not know existed. Shadow IT and unknown external shares are identified automatically.

🏷️
STAGE 02
Classify
What is it and how sensitive is it?

Sensitivity labels applied automatically based on content analysis β€” Personal, Confidential, Highly Confidential and custom categories specific to your organisation. Labels travel with the document in file metadata, persisting across copies, email attachments and cloud syncs.

πŸ›‘οΈ
STAGE 03
Protect
Enforce the right controls for each label

Rights management, encryption and access controls applied automatically based on sensitivity label. Conditional Access policies restrict access by device and location. DLP policies prevent inappropriate sharing across email, Teams, SharePoint and endpoints.

πŸ‘οΈ
STAGE 04
Monitor
Who is doing what with sensitive data?

Every access, share, download and transfer of sensitive data logged and monitored continuously. Insider risk analytics identify unusual patterns. Exfiltration attempts detected before significant loss occurs. Compliance evidence generated automatically from live telemetry.

Where sensitive data accumulates β€” and where it leaks from
πŸ“
SharePoint
HIGH RISK
Department sites with open access
Old project sites never decommissioned
Sensitive data in broadly shared libraries
External guest access not reviewed
πŸ“§
Exchange Email
HIGH RISK
Sensitive data emailed to personal accounts
Customer PII in attachments
Legal privileged content in unprotected email
Former employee mailboxes still active
πŸ’¬
Microsoft Teams
MEDIUM RISK
Confidential files shared in general channels
External guest users in sensitive teams
Files in personal chats with no oversight
Meeting recordings containing sensitive discussions
☁️
OneDrive
MEDIUM RISK
Anyone with link sharing enabled broadly
Personal devices syncing confidential data
Files shared with departed employees
No visibility of what is stored per user
THE REGULATORY REALITY

GDPR Article 5(2) requires you to demonstrate compliance at any time. Not just during audits.

The GDPR accountability principle means you must be able to show a supervisory authority β€” at any moment, without notice β€” that you have appropriate technical and organisational measures in place to protect personal data. Not that you had them at your last audit. That you have them now.

Octa1ne generates and maintains your data protection evidence continuously β€” classification records, DLP policy logs, processing activity records, retention documentation and incident reports β€” so you are always ready for an ICO inquiry, a client questionnaire or a certification audit without any preparation effort.

Start your GDPR programme β†’
€20M or 4% turnover
Maximum fine for serious GDPR infringements β€” whichever is higher
GDPR Article 83(5)
€10M or 2% turnover
Fine for failures including inadequate technical security measures
GDPR Article 83(4)
72 hours
Deadline to notify supervisory authority after discovering a personal data breach
GDPR Article 33
30 days
Deadline to respond to Data Subject Access Requests from individuals
GDPR Article 12
WHY DATA PROTECTION MATTERS

You cannot protect data
you do not know you have.

πŸ—ΊοΈ
Millions
of files typically uncatalogued in M365 orgs

Data sprawl is the root cause of most data protection failures

The average Microsoft 365 organisation has sensitive data stored across thousands of SharePoint sites, hundreds of thousands of emails and millions of OneDrive files β€” accumulated over years by employees who have since left, projects that have ended and processes that have changed. Nobody has a complete picture of where this data lives or who can access it. IT teams do not know it exists. Security teams cannot monitor what they cannot see. Compliance teams cannot demonstrate controls for data they have not catalogued.

Microsoft Purview Content Explorer provides the foundational visibility that effective data protection requires β€” a continuously updated, automatically maintained map of your entire sensitive data estate. From the moment it is deployed, you know where your personal data lives, who has access to it and whether it is adequately protected. Without this visibility, data protection policies are guesswork and GDPR compliance is a declaration rather than a demonstrable reality.

🚨
83%
Of breaches involve personal data β€” Verizon DBIR 2024

Insider threats and accidental data loss cause more incidents than external attacks

Data breaches caused by insiders β€” both malicious departing employees and well-intentioned staff making mistakes β€” consistently represent a significant proportion of all data security incidents globally. An employee emailing a customer database to their personal account before resigning. A well-intentioned staff member sharing a confidential document with the wrong external email address. A contractor downloading sensitive intellectual property to their personal device at the end of a project. These incidents are invisible without data loss prevention monitoring.

Insider threats are particularly damaging because they bypass every perimeter control. The user is authenticated, authorised and appears completely legitimate β€” until the moment they transfer sensitive data outside your control. Microsoft Purview Insider Risk Management uses behavioural analytics to identify the patterns that precede these events β€” unusual download volumes, anomalous access to sensitive data, pre-departure data gathering activity β€” alerting before significant loss occurs rather than discovering the breach from a dark web forum months later.

βš–οΈ
30 days
To respond to Data Subject Access Requests

Compliance requires documented evidence β€” not verbal assurances

ISO 27001 certification requires documented evidence of your information classification scheme, protection controls and their effectiveness. GDPR Article 30 requires Records of Processing Activities maintained at all times. NIS2 Article 21 requires data security and access control policies with evidence. Cyber Essentials Plus requires evidence of data access controls. When auditors, regulators and enterprise clients ask for evidence of your data protection programme, you need structured, timestamped documentation β€” not a presentation about your intention to implement controls.

Octa1ne generates all of this evidence automatically as a byproduct of your daily programme operations. Classification records, DLP policy effectiveness reports, data processing activity logs, retention policy documentation and incident records are all maintained continuously and available on demand. Your next certification audit requires no preparation effort beyond scheduling it β€” the evidence is already there, already structured and already mapped to framework requirements.

TOOLS WE DEPLOY & OPERATE

Enterprise data governance tools.
Operated on your behalf.

🏷️
Classification & Information Protection
PRIMARY
Microsoft Purview Information Protection
The gold standard for Microsoft 365 data classification. Sensitivity labels applied automatically across SharePoint, OneDrive, Teams and Exchange. Rights management and encryption embedded in documents that persist wherever files travel. Over 300 built-in sensitive information types plus custom trainable classifiers.
ALTERNATIVE
Varonis Data Security Platform
Deep visibility into on-premises file shares, NAS devices and legacy data stores that Microsoft Purview cannot scan. Excellent for organisations with significant on-premises data infrastructure alongside Microsoft 365.
🚫
Data Loss Prevention
PRIMARY
Microsoft Purview DLP
DLP policies enforced simultaneously across Exchange Online, SharePoint, OneDrive, Teams and Windows endpoints from a single policy configuration. Blocks, warns or audits based on sensitivity label and content analysis. Endpoint DLP extends to copy, print and USB operations on managed Windows devices.
ALTERNATIVE
Symantec DLP (Broadcom)
Enterprise DLP for organisations requiring deep packet inspection and coverage of non-Microsoft channels including legacy email systems, custom applications and physical endpoints beyond Windows.
☁️
Cloud Data Security Posture
PRIMARY
Wiz DSPM
Data Security Posture Management β€” discovers and classifies sensitive data across Azure, AWS and GCP cloud environments, cloud databases, data warehouses and object storage. Identifies misconfigurations exposing sensitive data and maps data flows between cloud services to identify unintended exposure.
ALTERNATIVE
Microsoft Defender for Cloud Apps
Cloud Access Security Broker providing visibility of shadow IT cloud services, sanctioned app monitoring and DLP policy extension to cloud application uploads β€” covering Dropbox, Google Workspace and other third-party services your employees use.
πŸ‘€
INSIDER RISK MANAGEMENT
Microsoft Purview Insider Risk Management
Machine learning-driven behavioural analytics detecting patterns associated with data theft and accidental data loss β€” unusual download volumes, large external shares, access to sensitive data outside normal patterns and pre-departure data gathering activity. Privacy controls ensure investigations follow appropriate governance before any action is taken.
πŸ“…
DATA LIFECYCLE MANAGEMENT
Microsoft Purview Data Lifecycle Management
Automated retention policies keeping data for the minimum required period and deleting it automatically when retention expires. Essential for GDPR storage limitation compliance. Records management for legally privileged and regulatory-required documents with defensible deletion and complete audit trails. Retention policies configured per data type per regulatory requirement.
HOW DATA LEAVES ORGANISATIONS

Six ways sensitive data escapes
without detection every single day

None of these require an external attacker. All of them happen inside your Microsoft 365 environment. All of them are invisible without DLP monitoring.

πŸ“§VERY HIGH

Email to Personal Accounts

Employees emailing sensitive files to personal Gmail or Hotmail before leaving β€” or habitually for the convenience of working from home. A single email can exfiltrate an entire customer database or months of intellectual property. This is one of the most common and most damaging data loss vectors globally and is completely invisible without DLP monitoring across Exchange Online.

☁️HIGH

Unauthorised Cloud Storage Upload

Files uploaded to personal Dropbox, Google Drive or other consumer cloud services from managed devices β€” bypassing corporate data controls entirely and creating uncontrolled copies of sensitive data outside your governance boundary. Microsoft Purview Endpoint DLP and Defender for Cloud Apps detect and block these transfers across managed Windows devices and monitored browsers.

πŸ‘€VERY HIGH

Departing Employee Data Theft

Employees leaving for competitors frequently take sensitive data with them β€” customer lists, pricing models, strategic plans and proprietary processes. Download spikes in the weeks before resignation, access to files outside normal work scope and large external shares are behavioural signals that Microsoft Purview Insider Risk Management detects automatically through continuous monitoring.

πŸ”—HIGH

Overshared SharePoint Links

Anyone with link sharing creates publicly accessible links to sensitive documents that persist indefinitely across SharePoint and OneDrive. Documents shared with external users who no longer require access. Sites with broadly enabled guest access. These configurations create persistent data exposure that most organisations have no systematic way of identifying without automated discovery and monitoring.

πŸ’ΎMEDIUM

USB and Removable Media

Sensitive data copied to USB drives, external hard drives or personal devices on managed endpoints β€” particularly relevant for on-site workers and organisations handling highly sensitive intellectual property. Microsoft Purview Endpoint DLP extends protection to USB transfers on managed Windows devices, blocking or auditing removable media operations based on data sensitivity.

🀝MEDIUM

Third-Party Oversharing

Documents shared with vendors, contractors or partners that contain more data than necessary β€” entire datasets shared when only a subset was required, documents with embedded personal data or sensitive metadata shared accidentally. Every external sharing event monitored with DLP policies enforcing what can and cannot be shared externally based on classification label.

HOW WE DEPLOY

Full data protection programme live
fast, structured and zero disruption

1
PHASE 1
Data Landscape Discovery

Microsoft Purview Content Explorer scans your entire Microsoft 365 tenant β€” quantifying sensitive data volumes across SharePoint, OneDrive, Exchange and Teams. Existing classification labels, DLP policies and retention policies reviewed. Your data categories, sensitivity levels and compliance requirements documented.

2
PHASE 2
Classification Taxonomy and Labels

Your sensitivity label taxonomy designed and deployed β€” typically four to six labels from Public through to Highly Confidential with sub-labels for specific data types. Auto-labelling conditions configured. Default labels applied to unlabelled content. Label policy published to all users.

3
PHASE 3
DLP Policy Deployment

DLP policies deployed across Exchange, SharePoint, OneDrive, Teams and Windows endpoints covering your key sensitive data categories. Policies deployed in audit mode initially for baseline assessment β€” then progressively enforced as false positives are eliminated and your team is prepared.

4
PHASE 4
Insider Risk and Retention Policies

Insider Risk Management configured with policies appropriate for your organisation. Data retention policies deployed for each data category aligned to your legal obligations. Records management configured for regulated content. Compliance Manager assessment completed for GDPR, ISO 27001 and NIS2.

5
GO LIVE
Full Protection Active and Handover

All data protection controls live. Initial data landscape report delivered β€” sensitive data volumes by location, DLP policy matches in audit mode, classification coverage rates. Your dedicated engineer walks through findings. Monthly reporting scheduled. Complete protection is active.

Ongoing data protection operations
CONTINUOUSLY
DLP policies monitoring all data in motion β€” email, Teams, SharePoint, OneDrive and endpoints in real time with no gaps
DAILY
Insider risk alerts reviewed by SOC analysts β€” unusual access patterns, mass downloads and anomalous sharing investigated
WEEKLY
New sensitive data locations discovered by automated scanning added to protection scope automatically
MONTHLY
Data protection report β€” DLP matches, insider risk events, classification coverage, compliance posture and GDPR readiness score
QUARTERLY
Data landscape review β€” overshared content identified, stale access removed, retention policy effectiveness assessed
ON DEMAND
DSAR response support, breach notification documentation and supervisory authority evidence packs within 24 hours
72-hour GDPR breach notification

When a DLP alert indicates a potential personal data breach, Octa1ne analysts assess breach notification obligation immediately. We provide a structured breach assessment β€” nature, volume, risk to individuals β€” within hours, supporting your 72-hour notification deadline.

DSAR response support

Microsoft Purview Content Search locates all data held about a specific individual across your Microsoft 365 estate within minutes β€” reducing DSAR response from weeks of manual work to hours of structured search, comfortably within the 30-day GDPR deadline.

WHAT CHANGES

From data sprawl and blind spots
to complete visibility and control

πŸ—ΊοΈDATA VISIBILITY
BEFORE OCTA1NE

No comprehensive view of where sensitive data lives. Personal data, IP and financial records scattered across thousands of locations with no classification, access controls or monitoring.

AFTER OCTA1NE

Continuously updated data map showing all sensitive data across SharePoint, OneDrive, Exchange and Teams β€” classified, labelled, access-controlled and monitored at all times.

🚫DATA LOSS PREVENTION
BEFORE OCTA1NE

Sensitive data can leave your environment via email, cloud upload, Teams or USB transfer without any alert. Data loss typically discovered months later from an external notification.

AFTER OCTA1NE

DLP policies block or alert on sensitive data sharing across all channels in real time. Emails with personal data blocked before leaving. Unauthorised cloud uploads prevented at the endpoint.

πŸ‘€INSIDER RISK
BEFORE OCTA1NE

Employees can download large volumes of sensitive data, share files externally and take customer databases when leaving β€” completely undetected until the data surfaces elsewhere.

AFTER OCTA1NE

Insider risk behavioural analytics detect unusual download volumes, pre-departure data gathering and anomalous sharing patterns β€” alerting before significant loss occurs.

πŸ“…DATA LIFECYCLE
BEFORE OCTA1NE

Data accumulates indefinitely with no retention policies. Personal data held far beyond its purpose. GDPR storage limitation obligations impossible to demonstrate compliance with.

AFTER OCTA1NE

Retention policies automatically delete data when required periods expire. Personal data removed when no longer needed. Defensible deletion with complete audit trails for regulators.

βš–οΈGDPR COMPLIANCE
BEFORE OCTA1NE

GDPR accountability principle cannot be demonstrated β€” no data map, no processing activity records, no evidence of protection controls. An ICO inquiry requires weeks of manual evidence gathering.

AFTER OCTA1NE

Data protection evidence generated automatically β€” classification records, DLP logs, processing activity records. GDPR compliance demonstrable on demand. DSAR response in hours not weeks.

🏷️INFORMATION PROTECTION
BEFORE OCTA1NE

Sensitive documents have no persistent protection. Once emailed externally or saved to a personal device, the document is completely outside your control with no encryption or access restrictions.

AFTER OCTA1NE

Sensitivity labels embed encryption in documents that persist wherever files travel. A Highly Confidential document cannot be opened by unauthorised users regardless of where it ends up.

COMPLIANCE FRAMEWORKS

Every framework.
Evidence generated automatically.

Octa1ne generates compliance evidence as a continuous byproduct of your data protection programme β€” no manual effort required when audits are announced.

GDPR / UK GDPR
Articles 5, 25, 30, 32, 33, 34
Data protection by design, technical measures, processing records, breach notification
ISO 27001
Annex A.8
Information classification, sensitivity labelling, data handling and protection controls
NIS2
Article 21
Data security and access control policies as explicit risk management obligations
Cyber Essentials Plus
Access control
Data access controls and evidence of data protection measures across your estate
PCI-DSS
Requirements 3, 4, 7
Cardholder data protection, encryption in transit and access control to sensitive data
Evidence we generate automatically
Data classification records
Every classification label applied with timestamp, location and confidence score
Records of Processing Activities
GDPR Article 30 RoPA maintained automatically from live data classification
DLP policy logs
Every policy match, block and override logged with full context and audit trail
Retention policy records
Documentation of retention policies per data type with deletion confirmation
Incident and breach reports
Structured breach assessment reports for GDPR notification obligations
DSAR response packs
Complete content search results for Data Subject Access Requests within hours
Compliance evidence on demand
Generated within 24 hours for any audit, regulator or client requirement
FREQUENTLY ASKED QUESTIONS

Questions we hear from
every organisation we speak to

FREE β€” NO OBLIGATION β€” NO COMMITMENT REQUIRED

Discover, classify and protect
every piece of sensitive data.

Book a free data protection assessment. We will scan your Microsoft 365 environment, show you exactly where your sensitive data lives and identify your highest-risk data exposure β€” at no cost, with no commitment required.

Microsoft Purview DLP
Wiz DSPM cloud scanning
Insider risk detection
GDPR evidence automation
72-hr breach support
Rapid deployment