AhnLab vs SK Shieldus
AhnLab holds the stronger position because its product is unlikely to be absorbed by AI and is difficult for a larger company to replicate, while SK Shieldus faces both risks in part.
AhnLab
South Korean antivirus and EDR vendor, 30 years old, protects government and enterprise systems
SK Shieldus
South Korea's top physical and cyber security operator, born from ADT Caps and SK Infosec.
Dimension by dimension
| Dimension | AhnLab | SK Shieldus |
|---|---|---|
| Staying power of the core product | AhnLab's product plays a clear role in Korean government and business network security, giving it durable staying power. | SK Shieldus operates a converged physical-plus-cyber security model that continues to face ongoing rivalry from competitors such as S-1 Corp. |
| Exposure to AI | AhnLab's product is not expected to be replaced by AI tools. | Some of SK Shieldus's monitoring and service work could be taken over by AI tools. |
| How easily a giant copies them | A larger company copying AhnLab's business is not seen as realistic given its established role in Korean network security. | A larger company could plausibly replicate SK Shieldus's converged security approach. |
| Pressure from rivals | AhnLab faces pressure from Microsoft Defender, which has displaced it in commercial enterprise accounts outside regulated sectors. | SK Shieldus faces heavier direct pressure than AhnLab, from S-1 Corp, which has historically led it in sales and profit in the same physical-plus-cyber model. |
| Financial footing | FY2025 revenue of ₩267.66 billion grew only 2.72%, but operating profit rose 20.2% and net profit rose 48.8%. | Total revenue of about KRW 2 trillion (roughly $1.4 billion) makes it far larger in scale, and it was acquired by EQT for about $2.3 billion in 2023. |
| Protective strength of the business | Assessed as comparable in overall business resilience, as of July 2026. | Assessed as comparable in overall business resilience, as of July 2026. |
Questions people ask
- Which company is safer from AI replacing its product, AhnLab or SK Shieldus?
- AhnLab's product is rated unlikely to be absorbed by AI, while SK Shieldus is rated partly exposed because parts of its monitoring work could be automated. This makes AhnLab's core offering more resistant to AI substitution than SK Shieldus's.
- Which company has the bigger revenue, AhnLab or SK Shieldus?
- SK Shieldus is much larger, with total revenue around 2 trillion won, about $1.4 billion, in 2024, compared to AhnLab's revenue of about 267.66 billion won in FY2025. Scale favors SK Shieldus even though AhnLab shows faster profit growth.
- Could a big tech giant replace either of these companies?
- AhnLab's business is rated blocked from being copied by a giant, while SK Shieldus is rated only possible, meaning a large player could more plausibly replicate its converged security model. This gap gives AhnLab a firmer position against outside replication.
- Which company has stronger recent financial results?
- AhnLab's FY2025 figures show operating profit up 20.2% and net profit up 48.8% year over year, despite revenue growth of only 2.72%. SK Shieldus's given figures focus on scale and ownership, including its 2023 acquisition by EQT for about $2.3 billion, rather than recent profit trends.
- Who owns SK Shieldus and does that matter?
- SK Shieldus was majority acquired by EQT, which bought roughly 68 to 70 percent of the company for about 3 trillion won in 2023. AhnLab has no ownership change noted in the data, so this detail is specific to SK Shieldus's structure rather than its exposure to AI.
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