Solution · Migrations

Baseline before. Verify during.
Prove after.

The middle of a migration runs on claims — parity reached, cutover ready, the old one is gone. Panaptico captures a live baseline of the outgoing system, verifies the dual-run against it field by field, backs cutover readiness with evidence, and gates decommission on verified absence.

Verification canvas· SEP-FALCON-2026-001 · Day 42 of 90
dual-run under comparison · 48d to cutover
Symantec

Outgoing · baseline

Symantec Endpoint Protection

Active hosts
14,112
Baseline captured
Day 0
Policies observed
47
License ends
2026-08-15
CrowdStrike

Incoming · under verification

CrowdStrike Falcon

Deployed
8,940
Coverage
63%
Policies verified
39 / 41
Integrations observed
12

Dual-run verification

8,940 / 14,112 hosts · 63% coverage

Verified parity

4 caps

Adapted · verified

4 caps

Re-homed

2 caps

Declared exception

1 cap

The gap

Migrations die in the middle.

01

The baseline was never captured

Half the policies protecting the business were toggled on by someone who left in 2022. Before anyone can verify the new tool matches the old one, someone has to observe what the old one actually does.

02

‘Parity reached’ is a claim, not a result

Two agents, two consoles, two tellings of the same estate. Unless the dual-run is compared against the baseline field by field, parity is whatever the last status meeting decided it was.

03

Decommission runs on silence

The new system goes live, the project declares victory, and the old vendor keeps ingesting. Nothing proves that nothing still depends on it — and silence should never become a pass.

Behavioral parity

Parity isn’t 1:1. Verify what each capability became.

Every capability the outgoing system performs is verified against the baseline — matched, adapted to a new declared target, re-homed to another system, or declared out of scope. Each row carries its evidence, not a promise.

  • Real-time malware scanning

    SEP AV engine

    Falcon prevention

    verified

    behavior matches baseline · detections reconcile

  • Behavioral detection

    SEP Insight / SONAR

    Falcon behavioral engine

    adapted

    telemetry schema differs · new target declared and verified

  • Application / device control

    SEP ADC policies

    Falcon USB / app groups

    verified

    21 of 23 rules at target · 2 off target, before/after on record

  • Firewall policy

    SEP client firewall

    Falcon firewall mgmt

    adapted

    47 → 41 rules · every mapping compared field by field

  • EDR / telemetry

    SEP EDR add-on

    Falcon Insight

    adapted

    events verified landing in the new schema · Splunk route observed live

  • Tamper protection

    SEP tamper

    Falcon sensor protection

    verified

    default on · verified across all sensors

  • Disk encryption bind

    SEP + BitLocker hook

    Falcon + BitLocker hook

    verified

    recovery keys unchanged · verified held in Intune

  • Vulnerability scanning

    SEP Risk Insight

    Falcon Spotlight

    adapted

    CVSS model differs · new thresholds declared, results verified

  • DLP (endpoint)

    SEP DLP module

    — not in Falcon

    re-homed

    re-homed to Netskope · dependents verified re-pointed

  • Web / URL filtering

    SEP web control

    — not in Falcon

    re-homed

    re-homed to Zscaler · nothing still routes to SEP

  • Mobile device protection

    SEP Mobile

    — out of scope

    exception

    declared out of scope in the verification contract · Intune MAM keeps mobile

Coexistence

During the dual-run, both systems answer to the baseline.

The overlap is the riskiest stretch of any migration. Panaptico observes both systems live and compares them against the baseline — which hosts each agent actually covers, whether detections reconcile, what still depends on the old system — as the overlap collapses day by day.

Symantec · outgoing100% → 0%
CrowdStrike Falcon · incoming0% → 100%
Pilotd0
W1 startsd10
Todayd42
SEP ramp-downd60
Last SEP agentd75
License endsd90

Overlap window

65 days

Hosts compared live

8,940

Detections reconciled

27.4K / wk

Unknowns surfaced

46 hosts

Cutover readiness

Readiness is evidence, not a meeting.

Overall

86%

6 verified checks · the CISO owns the gate

Data reconciled

94%

SEP events ↔ Falcon lake

180d of history compared record for record · 30d of live events dual-written and matching

Policy parity verified

87%

47 → 41 rules

Every mapping compared field by field · 2 off target with before/after values on record

Alert routes verified live

100%

9 SIEM + 3 ticketing

Each declared route observed delivering — Splunk indices, ServiceNow queues, PagerDuty services

Dependency coverage

62%

18 of 29 consumers

Systems that consumed SEP telemetry, each verified against the new source · 11 still on the old path

Unknowns resolved

71%

117 of 164 closed

Hosts and rules that could not be observed, each driven to a result — silence never becomes a pass

Fallback path verified

100%

SEP re-enable · intact

The return path stays observed until decommission closes · your IT lead owns the call

Verified absence

The second half of a migration.

Decommission is gated on verified absence. For every asset the outgoing vendor touched, Panaptico verifies the negative — no agent still reporting, nothing still depending on it, no access still open — with evidence behind every closing entry.

7 asset classes · each closed on evidence, not on silence

  • SEP endpoint agents

    14,112 hosts

    Verified absent, host by host — no agent still reporting

    IT Ops

    Day 75–90

  • On-prem SEPM servers

    3 VMs

    Powered down · verified unreachable

    Platform

    Day 92

  • Symantec license

    1 agreement

    Lapsed at renewal · entitlements verified revoked

    Procurement

    2026-08-15

  • SIEM TAs (Splunk)

    3 TAs

    Removed · verified no SEP events still ingesting

    SecOps

    Day 78

  • Historical telemetry

    180 days

    Archived cold · retained 7y · access verified read-only

    Data

    Day 80

  • Firewall ACL carve-outs

    23 rules

    SEP URLs removed under CHG-7491 · verified no rule references them

    Network

    Day 88

  • Endpoint install records

    Ansible roles

    Repo archived · verified frozen read-only

    Platform

    Day 95

Cut over on evidence.
Decommission on verified absence.

Panaptico baselines the outgoing system, verifies the dual-run against it, backs the cutover gate your team owns, and proves the old system is actually gone. Nothing rots in the middle.

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