Corero Network Security plc (CNS.L)
Amersham, GB
Corero Network Security plc specializes in delivering global solutions to combat distributed denial-of-service (DDoS) attacks. The company's primary offering is the Corero SmartWall product range, designed to proactively neutralize DDoS attack traffic. This suite encompasses various components: the SmartWall Threat Defense System, which provides dedicated appliances for DDoS mitigation; the SmartWall Threat Defense Director, offering software-based protection at network edges; the SmartWall Threat Defense Cloud, securing against cloud-centric threats; and SecureWatch Managed Services, a comprehensive package covering configuration fine-tuning, continuous surveillance, and swift incident response. Additionally, Corero provides vital installation and training support. Its diverse client base includes service, hosting, co-location, edge, and SaaS providers, alongside major enterprises. Established in 1991 as Corero plc, the company adopted its current name, Corero Network Security plc, in June 2011 and is based in Amersham, United Kingdom.
No mergers or acquisitions recorded for this company.
| Indicator | 1D | 1W | 2W | 3W | 1M |
|---|
Day Score & sub-scores
Statistical fingerprint & regime detail
Conditional historical analysis
Customize analysis (advanced)
| 1D | 5D | 1M | 3M | 6M | YTD | 1Y | 3Y | 5Y | 10Y | Max |
|---|---|---|---|---|---|---|---|---|---|---|
| +0.00% | +0.00% | -14.00% | -17.31% | +7.50% | +12.57% | -32.81% | +72.00% | +3.37% | -52.22% | -99.56% |
Revenue flow
Revenue by geography
Revenue by segment
Revenue composition
By product
By geography
Income Statement
Balance Sheet
Cash Flow Statement
Key Metrics
Financial Ratios
Employees
Financial Growth (CAGR)
Market Data
DCF figures are point estimates: small changes in growth or discount-rate assumptions move them materially. Read them as a reference, not a precise target.
| Rating | 2026-05 | Change |
|---|---|---|
| Strong Buy | 0 | 0 |
| Buy | 1 | 0 |
| Hold | 0 | 0 |
| Sell | 0 | 0 |
| Strong Sell | 0 | 0 |
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Revenue growth Software - Infrastructure: +13.7%+6.0% Q4'25: +24.0% (vs Q4'23)
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EPS growth Software - Infrastructure: +28.7%-240.0% Q4'25: +61.9% (vs Q4'23)
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FCF margin FCF growth · Software - Infrastructure: +32.2%+6.9% ★ Q4'25: +21.9% (vs Q4'23)
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EBIT margin Software - Infrastructure: +8.8%-2.6% Q4'25: +11.8% (vs Q4'23)
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ROIC Software - Infrastructure: +6.6%-4.5% Q4'25: +46.0% (vs Q4'23)
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Share dilution Software - Infrastructure: +0.0%+1.0% Q4'25: +1.6% (vs Q4'23)
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Debt / EBITDA Net debt/EBITDA · Software - Infrastructure: -1.06×0.26× ★ Q4'25: 0.07× (vs Q4'23)
* These projections are based on analyst consensus estimates and user-defined valuation multiples. This table is for informational purposes only and does not constitute a recommendation to buy or sell any security. Past performance is not indicative of future results.
| Metric |
Dec 2011 actual |
Dec 2012 actual |
Dec 2013 actual |
Dec 2014 actual |
Dec 2015 actual |
Dec 2016 actual |
Dec 2017 actual |
Dec 2018 actual |
Dec 2019 actual |
Dec 2020 actual |
Dec 2021 actual |
Dec 2022 actual |
Dec 2023 actual |
Dec 2024 actual |
Dec 2025 actual |
Dec 2026 3 Rev. Ana. 2 EPS Ana. |
Dec 2027 3 Rev. Ana. 2 EPS Ana. |
Dec 2028 2 Rev. Ana. 1 EPS Ana. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue |
17.49M
est: 17.30M (+1.1%)
|
20.57M
est: 20.06M (+2.5%)
|
10.27M
est: 17.65M (-41.8%)
|
7.48M
est: 9.11M (-17.9%)
|
8.34M
est: 16.06M (-48.1%)
|
8.77M
est: 8.70M (+0.8%)
|
8.53M
est: 8.55M (-0.2%)
|
9.95M
est: 10.55M (-5.6%)
|
9.71M
est: 9.68M (+0.4%)
|
16.88M
est: 16.77M (+0.7%)
|
20.90M
est: 20.86M (+0.2%)
|
20.12M
est: 20.39M (-1.3%)
|
22.35M
est: 30.36M (-26.4%)
|
24.56M
est: 24.60M (-0.2%)
|
26.03M
est: 25.47M (+2.2%)
|
29.19M
29.03M – 29.53M
+14.6% YoY
|
32.90M
32.53M – 33.63M
+12.7% YoY
|
36.94M
36.63M – 37.58M
+12.3% YoY
|
| EBITDA |
-434.0K
est: 1.08M (-140.3%)
|
-5.30M
est: 1.22M (-532.7%)
|
-5.96M
est: -2.25M (-164.4%)
|
-9.46M
est: 4.43M (-313.8%)
|
-10.06M
est: 999.6K (-1,106.4%)
|
-14.13M
est: 541.8K (-2,707.8%)
|
-5.51M
est: 7.98M (-169.1%)
|
-1.53M
est: -11.16M (+86.3%)
|
-3.02M
est: -2.24M (-34.7%)
|
-1.16M
est: -7.07M (+83.6%)
|
2.38M
est: -6.52M (+136.6%)
|
1.17M
est: -6.99M (+116.8%)
|
2.07M
est: 2.72M (-23.8%)
|
2.82M
est: 2.20M (+27.7%)
|
1.78M
est: 2.28M (-22.0%)
|
2.62M
2.60M – 2.65M
+14.6% YoY
|
2.95M
2.92M – 3.01M
+12.7% YoY
|
3.31M
3.28M – 3.37M
+12.3% YoY
|
| EBIT |
-1.96M
est: -266.1K (-634.7%)
|
-8.06M
est: -302.4K (-2,566.1%)
|
-8.50M
est: -266.1K (-3,093.3%)
|
-10.40M
est: -7.17M (-45.0%)
|
-11.60M
est: -247.0K (-4,594.5%)
|
-17.26M
est: -133.9K (-12,790.3%)
|
-8.52M
est: -6.90M (-23.4%)
|
-4.96M
est: -17.27M (+71.3%)
|
-6.19M
est: -5.41M (-14.4%)
|
-3.73M
est: -11.67M (+68.1%)
|
1.78M
est: -10.76M (+116.5%)
|
676.0K
est: -11.54M (+105.9%)
|
28.0K
est: 716.5K (-96.1%)
|
591.0K
est: 580.6K (+1.8%)
|
-677.9K
est: 601.1K (-212.8%)
|
689.0K
685.1K – 696.9K
+14.6% YoY
|
776.5K
767.8K – 793.8K
+12.7% YoY
|
872.0K
864.5K – 887.0K
+12.3% YoY
|
| Net Income |
-1.96M
est: -7.22M (+72.8%)
|
-6.06M
est: -44.72M (+86.5%)
|
8.05M
est: -8.34M (+196.6%)
|
-10.06M
est: -53.79M (+81.3%)
|
-11.23M
est: -14.64M (+23.3%)
|
-17.18M
est: -2.11B (+99.2%)
|
-8.41M
est: -1.52B (+99.4%)
|
-5.22M
est: -17.03M (+69.3%)
|
-6.56M
est: -5.69M (-15.3%)
|
-3.78M
est: -12.35M (+69.4%)
|
1.52M
est: -11.39M (+113.4%)
|
554.0K
est: -361.0K (+253.5%)
|
-170.0K
est: 1.03M (-116.5%)
|
498.0K
est: 79.0K (+530.0%)
|
-725.9K
est: -2.16M (+66.4%)
|
230.1K
157.7K – 591.3K
+110.6% YoY
|
1.48M
672.2K – 1.85M
+544.8% YoY
|
2.49M
2.45M – 2.53M
+67.9% YoY
|
| SGA |
—
est: 7.93M (-100.0%)
|
—
est: 9.01M (-100.0%)
|
12.91M
est: 8.09M (+59.7%)
|
12.96M
est: 4.17M (+210.5%)
|
12.70M
est: 7.36M (+72.6%)
|
11.85M
est: 3.99M (+197.0%)
|
11.99M
est: 3.92M (+206.3%)
|
9.43M
est: 4.83M (+95.1%)
|
11.03M
est: 4.43M (+148.9%)
|
14.47M
est: 7.68M (+88.4%)
|
14.45M
est: 9.56M (+51.2%)
|
14.93M
est: 9.34M (+59.7%)
|
—
est: 13.82M (-100.0%)
|
—
est: 11.20M (-100.0%)
|
21.94M
est: 11.59M (+89.2%)
|
13.29M
13.21M – 13.44M
+14.6% YoY
|
14.98M
14.81M – 15.31M
+12.7% YoY
|
16.82M
16.67M – 17.11M
+12.3% YoY
|
| EPS |
-0.04
est: -0.01 (-204.5%)
|
-0.10
est: -0.09 (-8.1%)
|
0.11
est: -0.08 (+232.9%)
|
-0.12
est: -0.11 (-11.2%)
|
-0.09
est: -0.03 (-193.6%)
|
-0.09
est: -4.17 (+97.8%)
|
-0.03
est: -2.98 (+99.0%)
|
-0.01
est: -0.02 (+19.7%)
|
-0.02
est: -0.02 (+2.1%)
|
-0.01
est: -0.01 (+2.0%)
|
0.00
est: 0.00 (+158.9%)
|
0.00
est: -0.30 (+100.4%)
|
0.00
est: 0.00 (-115.0%)
|
0.00
est: 0.00 (+549.3%)
|
0.00
est: 0.00 (+64.6%)
|
0.00
0.00 – 0.00
+117.3% YoY
|
0.00
0.00 – 0.00
+236.6% YoY
|
0.00
0.00 – 0.00
+96.6% YoY
|
| Date | Rating | Overall | DCF | ROE | ROA | D/E | P/E | P/B |
|---|---|---|---|---|---|---|---|---|
| 2026-05-29 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-28 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-27 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-26 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-22 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-21 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-20 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-19 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-18 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 2/5 |
| 2026-05-15 | C | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
| 2026-05-14 | C | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
| 2026-05-13 | C | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
| 2026-05-12 | C | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
| 2026-05-11 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-05-08 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 3/5 |
| 2026-05-07 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 3/5 |
| 2026-05-06 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 3/5 |
| 2026-05-05 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 4/5 | 1/5 | 3/5 |
| 2026-05-01 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-30 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-29 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-28 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-27 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-24 | C+ | 2/5 | 3/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-23 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-22 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-21 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-20 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 3/5 |
| 2026-04-17 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
| 2026-04-16 | C | 2/5 | 2/5 | 1/5 | 1/5 | 3/5 | 1/5 | 2/5 |
Owner Earnings
Ownership Overview
Ownership breakdown not available.
No beneficial ownership filings recorded.
Institutional Activity (13F)
Institutional history not available.
Top holders not available.
ETF Ownership
This company is not held by any ETF in our universe.
Insider Activity
No insider activity available.
Insider history not available.
No recent insider transactions.
Executive team
Executive compensation
Executive compensation not available.
No CEO compensation history available.
Proxy statements
No proxy statements available for this company yet.
Recent SEC filings
No SEC filings available for this company yet.
Executive team
| Name | Title | Compensation | Gender |
|---|---|---|---|
| Carl Wayne Herberger | Chief Executive Officer & Director | 457.7K | male |
| Christopher James Goulden | Chief Financial Officer & Director | 290.7K | male |
| Emma Rockey | Company Secretary | — | female |
| Joao Melo | Executive Vice President of Operations & Customer Services | — | male |
| Julian Palmer | Executive Vice President of Engineering | — | male |
| Michelle Ragusa-McBain | Global Channel Chief & VP of Channel Sales | — | female |
No data available for this company.
No Senate trading activity found for this company.
No House trading activity found for this company.
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Community Opinion for CNS.L
Short-term intention
Target Price Distribution
These are community opinions and do not constitute buy or sell advice to act on. The results shown are based on aggregated opinions and are not an investment recommendation, nor do they intend to influence any investment decision.

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