ALAR vs RDWR vs NTCT vs QLYS vs CSCO

For growth investors, Alarum Technologies Ltd.

(ALAR) is the stronger pick with 20. 9% revenue growth year-over-year, versus -0. 8% for NetScout Systems, Inc. (NTCT). Alarum Technologies Ltd. (ALAR) offers the better valuation at 9. 4x trailing P/E, making it the more compelling value choice. Analysts rate Cisco Systems, Inc. (CSCO) a "Buy" — based on 73 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Alarum Technologies Ltd.

(ALAR) is the cheapest at 9. 4x versus Radware Ltd. at 63. 0x. On forward P/E, Qualys, Inc. is actually cheaper at 12. 4x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Qualys, Inc. wins at 0. 64x versus Radware Ltd. 's 1. 34x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Cisco Systems, Inc.

(CSCO) delivered a total return of +87. 2%, compared to -36. 6% for Alarum Technologies Ltd. (ALAR). Over 10 years, the gap is even starker: CSCO returned +318. 3% versus ALAR's -99. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Qualys, Inc.

(QLYS) is the lower-risk stock at 0. 46β versus Alarum Technologies Ltd. 's 2. 08β — meaning ALAR is approximately 353% more volatile than QLYS relative to the S&P 500. On balance sheet safety, Radware Ltd. (RDWR) carries a lower debt/equity ratio of 4% versus 63% for Cisco Systems, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Alarum Technologies Ltd.

(ALAR) is pulling ahead at 20. 9% versus -0. 8% for NetScout Systems, Inc. (NTCT). On earnings-per-share growth, the picture is similar: Radware Ltd. grew EPS 221. 4% year-over-year, compared to -144. 4% for NetScout Systems, Inc.. Over a 3-year CAGR, ALAR leads at 45. 9% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Qualys, Inc.

(QLYS) is the more profitable company, earning 29. 6% net margin versus -44. 6% for NetScout Systems, Inc. — meaning it keeps 29. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: QLYS leads at 33. 2% versus -44. 7% for NTCT. At the gross margin level — before operating expenses — QLYS leads at 82. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Qualys, Inc. (QLYS) is the more undervalued stock at a PEG of 0. 64x versus Radware Ltd. 's 1. 34x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Qualys, Inc. (QLYS) trades at 12. 4x forward P/E versus 23. 5x for Radware Ltd. — 11. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for QLYS: 8. 5% to $103. 00.

In this comparison, CSCO (1.

7% yield) pays a dividend. ALAR, RDWR, NTCT, QLYS do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Cisco Systems, Inc.

(CSCO) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 90), 1. 7% yield, +318. 3% 10Y return). Alarum Technologies Ltd. (ALAR) carries a higher beta of 2. 08 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CSCO: +318. 3%, ALAR: -99. 6%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: ALAR is a small-cap high-growth stock; RDWR is a small-cap quality compounder stock; NTCT is a small-cap quality compounder stock; QLYS is a small-cap deep-value stock; CSCO is a large-cap quality compounder stock. CSCO pays a dividend while ALAR, RDWR, NTCT, QLYS do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.