Resilience Evaluation

How each architecture survives an attack

Compare threat detection, immutable snapshots, air-gap isolation, encryption, and recovery objectives across every storage solution.

STRONG

AVG RESILIENCE

77/100

Composite score

AT RISK

Below 55 threshold

STRONG+

Score 70 or above

TOTAL GAPS

Missing features

Per-solution capabilities, recovery objectives, and grade

Solution	Vendor	Threat Detect	Immutable	Air-Gap	Ransomware Rec.	RPO	RTO	Score	Grade
Storage Defender	IBM	✓	✓	✓	✓	< 15 min	< 2 hr	98	A
DS8000	IBM	✓	✓	✓	✓	< 15 min	< 2 hr	94	A
Storage Fusion	IBM	✓	✓	✗	✓	< 1 hr	< 2 hr	88	A
Hitachi VSP	Comp.	✓	✓	✓	✓	< 15 min	< 2 hr	85	A
Scale System 6000	IBM	✓	✓	✗	✓	< 1 hr	< 2 hr	82	B
Pure FlashArray	Comp.	✓	✓	✗	✓	< 1 hr	< 2 hr	82	B
Storage Protect	IBM	✓	✓	✗	✓	< 1 hr	< 2 hr	80	B
SAN Volume Controller	IBM	✓	✓	✗	✓	< 1 hr	< 2 hr	80	B
Dell PowerMax	Comp.	✓	✓	✗	✓	< 1 hr	< 2 hr	80	B
FlashSystem	IBM	✓	✓	✗	✓	< 1 hr	< 2 hr	78	B
Storage Tape	IBM	✓	✗	✓	✓	< 15 min	< 2 hr	78	B
NetApp AFF	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	72	B
Cloud Object Storage	IBM	✗	✓	✗	✗	< 1 hr	< 4 hr	71	B
AWS S3	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	70	B
Storage Scale	IBM	✗	✓	✗	✗	< 1 hr	< 4 hr	69	C
HPE Alletra	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	68	C
Azure Blob	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	68	C
NetApp Files (Cloud)	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	68	C
AWS EBS	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	65	C
GCP Cloud Storage	Comp.	✗	✓	✗	✗	< 1 hr	< 4 hr	65	C
Storage Ceph	IBM	✗	✗	✗	✗	< 4 hr	< 24 hr	63	C

Recovery Point Objective (RPO) and Recovery Time Objective (RTO) by architecture

Architecture	RPO	RTO	Immutable	Best For
FlashSystem + Safeguarded Copy	< 15 min	< 1 hr	Yes	Mission-critical databases, ransomware vaulting
DS8000 + Safeguarded Copy	< 15 min	< 1 hr	Yes	Mainframe, IBM Z, enterprise core banking
Storage Defender orchestration	< 5 min	< 30 min	Yes	Cross-platform cyber resilience, clean recovery
Tape air-gap	< 24 hr	< 8 hr	Yes	Long-term retention, offline ransomware isolation
Cloud Object Storage (S3 Object Lock)	< 1 hr	< 4 hr	Yes	Hyperscale backup targets, compliance archives
Competitor all-flash (no Safeguarded)	< 4 hr	< 8 hr	Partial	General-purpose primary storage

Cyber-Resilience Scorecard