Corero Network Security (CNS) Stock Overview
Provides network security solutions in the United States, the United Kingdom, and internationally. More details
| Snowflake Score | |
|---|---|
| Valuation | 0/6 |
| Future Growth | 4/6 |
| Past Performance | 0/6 |
| Financial Health | 5/6 |
| Dividends | 0/6 |
CNS Community Fair Values
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Analyst Price Targets
Corero Network Security plc Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | UK£0.12 |
| 52 Week High | UK£0.18 |
| 52 Week Low | UK£0.085 |
| Beta | -0.089 |
| 1 Month Change | -6.00% |
| 3 Month Change | -9.62% |
| 1 Year Change | -32.86% |
| 3 Year Change | 79.39% |
| 5 Year Change | 4.91% |
| Change since IPO | -99.57% |
Recent News & Updates
Narrative Update • Mar 11
CNS: Latin American And APAC DDoS Deals Will Support Future Rerating Potential
Analysts have made a small trim to their price target for Corero Network Security, reflecting slightly higher discount rate assumptions and a modestly lower profit margin outlook, while keeping fair value unchanged at £0.14 and nudging the assumed future P/E multiple to 26.9x. What's in the News Corero Network Security announced a partnership with EdgeUno to offer automated DDoS protection as a fully managed service across EdgeUno's regional footprint, built on the SmartWall ONE platform and rolled out in phases starting with IP Transit customers (Key Developments).Narrative Update • Feb 24
CNS: Latin American And APAC DDoS Partnerships Will Support Future Rerating Potential
Analysts have lifted their price target on Corero Network Security to £0.14. This reflects updated assumptions that keep fair value around £0.14 while adjusting the discount rate, profit margin expectations and a lower future P/E multiple.Narrative Update • Feb 10
CNS: Latin American And APAC DDoS Deals Will Support Measured Rerating Potential
Analysts have maintained their price target on Corero Network Security broadly in line with their earlier view, with only a modest adjustment that reflects updated assumptions on discount rate, profit margin expectations, and a slightly lower future P/E multiple. What's in the News Corero Network Security plc entered a partnership with EdgeUno to offer automated DDoS protection as a fully managed service across EdgeUno's regional footprint, using the SmartWall ONE platform to help keep services online during faster and harder to detect attacks (Key Developments).Recent updates
Narrative Update • Mar 11
CNS: Latin American And APAC DDoS Deals Will Support Future Rerating Potential
Analysts have made a small trim to their price target for Corero Network Security, reflecting slightly higher discount rate assumptions and a modestly lower profit margin outlook, while keeping fair value unchanged at £0.14 and nudging the assumed future P/E multiple to 26.9x. What's in the News Corero Network Security announced a partnership with EdgeUno to offer automated DDoS protection as a fully managed service across EdgeUno's regional footprint, built on the SmartWall ONE platform and rolled out in phases starting with IP Transit customers (Key Developments).Narrative Update • Feb 24
CNS: Latin American And APAC DDoS Partnerships Will Support Future Rerating Potential
Analysts have lifted their price target on Corero Network Security to £0.14. This reflects updated assumptions that keep fair value around £0.14 while adjusting the discount rate, profit margin expectations and a lower future P/E multiple.Narrative Update • Feb 10
CNS: Latin American And APAC DDoS Deals Will Support Measured Rerating Potential
Analysts have maintained their price target on Corero Network Security broadly in line with their earlier view, with only a modest adjustment that reflects updated assumptions on discount rate, profit margin expectations, and a slightly lower future P/E multiple. What's in the News Corero Network Security plc entered a partnership with EdgeUno to offer automated DDoS protection as a fully managed service across EdgeUno's regional footprint, using the SmartWall ONE platform to help keep services online during faster and harder to detect attacks (Key Developments).
New Narrative • Jan 29
Always On Cyber Protection And Global Expansion Will Support Long Term Upside Potential
Catalysts About Corero Network Security Corero Network Security provides specialised cyber protection that keeps customers' online services available by filtering and blocking disruptive attacks in real time. What are the underlying business or industry changes driving this perspective?Narrative Update • Jan 27
CNS: Latin American DDoS Partnership Will Drive Future Rerating Potential
Analysts have slightly reduced their price target on Corero Network Security, reflecting marginal adjustments to fair value, discount rate and future P/E assumptions rather than any major change in their overall view of the business. What's in the News Corero Network Security entered into a partnership with Auben Networks, its first regional agreement in Argentina, with Auben set to resell Corero's full DDoS protection portfolio, including the SmartWall ONE platform, across Argentina, Chile and neighboring markets (Key Developments).Analysis Article • Jan 13
Even With A 26% Surge, Cautious Investors Are Not Rewarding Corero Network Security plc's (LON:CNS) Performance Completely
Corero Network Security plc ( LON:CNS ) shareholders would be excited to see that the share price has had a great...Narrative Update • Jan 12
CNS: Future DDoS Contract Wins Will Drive Rerating Potential
Analysts have trimmed their price target for Corero Network Security to approximately £0.14 per share from about £0.19, citing updated assumptions around higher projected revenue growth, a slightly different discount rate, modestly adjusted profit margins, and a lower expected future P/E multiple. What's in the News Reaffirmed guidance for the year ending December 31, 2025, with expected revenue in a range of $24.0m to $25.5m, compared with reported revenue of $24.6m for FY 2024 (Corporate guidance).Analysis Article • Jul 17
Corero Network Security plc's (LON:CNS) 38% Cheaper Price Remains In Tune With Revenues
Unfortunately for some shareholders, the Corero Network Security plc ( LON:CNS ) share price has dived 38% in the last...Analysis Article • May 24
Corero Network Security (LON:CNS) Is Looking To Continue Growing Its Returns On Capital
What trends should we look for it we want to identify stocks that can multiply in value over the long term? One common...Analysis Article • Apr 08
Corero Network Security plc (LON:CNS) Stocks Pounded By 26% But Not Lagging Industry On Growth Or Pricing
Corero Network Security plc ( LON:CNS ) shareholders that were waiting for something to happen have been dealt a blow...
New Narrative • Feb 08
New Partnerships With Akamai And Juniper Will Expand Global Cybersecurity Presence
Strategic partnerships and restructuring are driving revenue growth and enhancing market reach, with an emphasis on efficiency and net margins.Analysis Article • Jan 15
Returns At Corero Network Security (LON:CNS) Are On The Way Up
There are a few key trends to look for if we want to identify the next multi-bagger. In a perfect world, we'd like to...Analysis Article • Oct 18
Investors Appear Satisfied With Corero Network Security plc's (LON:CNS) Prospects As Shares Rocket 42%
Corero Network Security plc ( LON:CNS ) shareholders have had their patience rewarded with a 42% share price jump in...Analysis Article • Jul 05
Corero Network Security plc's (LON:CNS) Shares Climb 30% But Its Business Is Yet to Catch Up
Despite an already strong run, Corero Network Security plc ( LON:CNS ) shares have been powering on, with a gain of 30...Analysis Article • Jun 13
Estimating The Fair Value Of Corero Network Security plc (LON:CNS)
Key Insights The projected fair value for Corero Network Security is UK£0.18 based on 2 Stage Free Cash Flow to Equity...Analysis Article • Apr 18
Corero Network Security plc's (LON:CNS) 27% Jump Shows Its Popularity With Investors
Despite an already strong run, Corero Network Security plc ( LON:CNS ) shares have been powering on, with a gain of 27...Analysis Article • Jul 07
Corero Network Security plc's (LON:CNS) Shareholders Might Be Looking For Exit
With a price-to-earnings (or "P/E") ratio of 74.6x Corero Network Security plc ( LON:CNS ) may be sending very bearish...Analysis Article • Oct 28
These 4 Measures Indicate That Corero Network Security (LON:CNS) Is Using Debt Reasonably Well
David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the...Analysis Article • May 09
Shareholders Shouldn’t Be Too Comfortable With Corero Network Security's (LON:CNS) Strong Earnings
Even though Corero Network Security plc ( LON:CNS ) posted strong earnings recently, the stock hasn't reacted in a...Analysis Article • Nov 02
Is Corero Network Security (LON:CNS) Using Debt In A Risky Way?
David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the...Analysis Article • Apr 19
Is Corero Network Security (LON:CNS) Using Debt Sensibly?
Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...Analysis Article • Feb 03
The Corero Network Security (LON:CNS) Share Price Has Gained 178%, So Why Not Pay It Some Attention?
It might seem bad, but the worst that can happen when you buy a stock (without leverage) is that its share price goes...Analysis Article • Nov 25
Did Corero Network Security plc (LON:CNS) Insiders Buy Up More Shares?
It is not uncommon to see companies perform well in the years after insiders buy shares. Unfortunately, there are also...Shareholder Returns
| CNS | GB Software | GB Market | |
|---|---|---|---|
| 7D | -4.1% | -2.4% | 0.8% |
| 1Y | -32.9% | -27.9% | 19.9% |
Return vs Industry: CNS underperformed the UK Software industry which returned -30.2% over the past year.
Return vs Market: CNS underperformed the UK Market which returned 20% over the past year.
Price Volatility
| CNS volatility | |
|---|---|
| CNS Average Weekly Movement | 4.9% |
| Software Industry Average Movement | 5.8% |
| Market Average Movement | 5.7% |
| 10% most volatile stocks in GB Market | 12.0% |
| 10% least volatile stocks in GB Market | 3.1% |
Stable Share Price: CNS has not had significant price volatility in the past 3 months compared to the UK market.
Volatility Over Time: CNS's weekly volatility (5%) has been stable over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1991 | 91 | Carl Herberger | www.corero.com |
Corero Network Security plc, together with its subsidiaries, provides network security solutions in the United States, the United Kingdom, and internationally. The company offers SmartWall One, a distributed denial of service solution that provides hybrid and on-premises DDoS protection solutions; deployment options comprising inline and data path protection, edge mitigation, and scrubbing; SecureWatch managed services; and DDoS intelligent services. It also offers Corero Observability and Resiliency Ecosystem, a cloud-native visibility and protection platform that provides application layer protection, zero trust admission control, advanced anti-bot protection, comprehensive threat intelligence, and real-time traffic analysis.
Corero Network Security plc Fundamentals Summary
| CNS fundamental statistics | |
|---|---|
| Market cap | UK£60.18m |
| Earnings (TTM) | -UK£530.58k |
| Revenue (TTM) | UK£19.03m |
3.2x
P/S Ratio-113.4x
P/E RatioIs CNS overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| CNS income statement (TTM) | |
|---|---|
| Revenue | US$25.50m |
| Cost of Revenue | US$2.52m |
| Gross Profit | US$22.98m |
| Other Expenses | US$23.69m |
| Earnings | -US$711.00k |
Last Reported Earnings
Dec 31, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | -0.0014 |
| Gross Margin | 90.13% |
| Net Profit Margin | -2.79% |
| Debt/Equity Ratio | 0% |
How did CNS perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/05/14 01:37 |
| End of Day Share Price | 2026/05/14 00:00 |
| Earnings | 2025/12/31 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
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| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Corero Network Security plc is covered by 4 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Kai Korschelt | Canaccord Genuity |
| Daniel Ridsdale | Edison Investment Research |
| Hai Thang Liao | Zeus Capital Limited |