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Cybersecurity Stocks Retail Investors Are Screening After The AdFection Spyware Revelations

Simply Wall St·10/15/2026 20:30:10
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Online ads were supposed to sell shoes and flight tickets, not serve zero click spyware to Nato officials and chip engineers. The AdFection revelations show how deeply cyber risk now runs through everyday mobile feeds, and that shift can reshape how capital flows into cybersecurity stocks. This article walks through three companies exposed to that story and explains why their role in this threat rethink matters for your portfolio decisions.

The stocks in the list below are just a starting sample, and the full screen surfaced 41 more companies with equally compelling cybersecurity narratives that sit outside this article.

Head straight into the Cybersecurity and Risk-Consulting Providers for Ad and Mobile Ecosystems screener to identify, filter, and analyze potential high-conviction plays for your own watchlist.

Comp (WSE:CMP)

Overview: Comp is a Warsaw based IT security provider focused on network protection, cryptography, managed services, and digital platforms for businesses.

Market Cap: PLN2.1 billion

Comp is closely linked to the AdFection story as a pure IT and network security specialist that can harden mobile and ad related infrastructure for clients. Recent earnings and margin improvement indicate capacity to deliver more complex security projects, including for sectors newly focused on zero click risk. This makes the stock’s future appeal dependent on how one unseen pressure on its security consulting model develops.

That hinges on one question. Review the DCF valuation analysis for Comp to see how that consulting pressure could be priced into Comp’s shares.

CMP Discounted Cash Flow as at Oct 2026
CMP Discounted Cash Flow as at Oct 2026

Knowit (OM:KNOW)

Overview: Knowit is a Stockholm based consultancy that blends cloud, cybersecurity, data and digital product work for clients in online and mobile environments.

Operations: Knowit generates most of its roughly SEK4.6b business revenue from Solutions at SEK2.8b, with Experience, Insight and Connectivity contributing the balance.

Market Cap: SEK2.6b

Knowit matters for this cyber focused screener because it already advises enterprises on cloud, security and trusted identities that underpin ad and mobile ecosystems.

"Although Knowit highlights AI as a long term driver and is integrating it into offerings and internal delivery, rapid automation could compress demand for traditional consulting faster than AI supported advisory work scales."

The real swing factor is whether one quiet shift in how clients buy higher value security projects widens Knowit’s margin room or squeezes it.

If that quiet shift in buying really matters to you, read the full narrative for Knowit to see how Knowit could turn compressed consulting into higher value security work.

KNOW Discounted Cash Flow as at Oct 2026
KNOW Discounted Cash Flow as at Oct 2026

Nomura Research Institute (TSE:4307)

Overview: Nomura Research Institute provides consulting and large scale IT solutions, including security and infrastructure services, for financial and industrial clients worldwide.

Operations: Nomura Research Institute generates revenue mainly from ¥415b Financial IT Solutions, ¥282b Industrial IT Solutions, and ¥227b IT Platform Services, with ¥69b from Consulting.

Market Cap: ¥3.2t

Nomura Research Institute matters for this cybersecurity focused screener because its consulting and IT platforms sit where financial, mobile, and ad exposed systems intersect.

"The integration of UBS into the management business and the strong performance of the hotel business have driven increased operating revenue, suggesting potential growth in both top-line revenue and business profits."

What really moves the needle from here is how a shift in security heavy project mix affects margins and capital needs.

That project mix shift is exactly what the full narrative for Nomura Research Institute unpacks, showing where security heavy work could accelerate or quietly stall Nomura Research Institute’s earnings engine.

TSE:4307 Earnings & Revenue History as at Oct 2026
TSE:4307 Earnings & Revenue History as at Oct 2026

Seeking Fresh Alternatives Before Others

Fresh ideas often move first. By the time a theme hits headlines, the early entry window can be gone. Scan curated stock shortlists while the data still matters and consider acting while the information is timely.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.