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Best Security & Protection Service Stocks to Buy Now (2026)
Top security & protection service stocks in 2026 ranked by overall Zen Rating. "A" Rated stocks have returned an average of +32.52% per year, and are the best security & protection service stocks to buy now. Learn More.

Industry: Security & Protection Ser...

Financials Momentum Sentiment Forecast Dividends Due Diligence

Security & Protection Services is Zen Rated B and is the 41st ranked industry out of 145 stock market industries

Ticker	Company	Market Cap	Revenue	EBITDA	Earnings	EPS	Rev. Y/Y	Rev. 5Y	Earn. Y/Y	Earn. 5Y	Earnings Date
BCO	BRINKS CO	$4.27B	$5.39B	$870.20M	$180.20M	$4.31	7.31%	7.26%	14.02%	52.07%
MG	MISTRAS GROUP INC	$540.88M	$731.44M	$74.94M	$22.41M	$0.73	3.48%	4.50%	52.08%	N/A
MSA	MSA SAFETY INC	$6.61B	$1.92B	$487.80M	$290.59M	$7.43	5.56%	7.82%	2.20%	19.89%
NSSC	NAPCO SECURITY TECHNOLOGIES INC	$1.29B	$197.23M	$46.53M	$36.89M	$1.04	8.83%	14.18%	-16.13%	39.06%
GEO	GEO GROUP INC	$3.06B	$2.73B	$662.18M	$273.15M	$2.00	12.74%	3.31%	952.63%	11.70%
CXW	CORECIVIC INC	$2.05B	$2.34B	$373.80M	$129.31M	$1.24	19.89%	4.57%	63.16%	N/A
SPCB	SUPERCOM LTD	$57.56M	$27.90M	$3.50M	$3.75M	$0.82	0.94%	18.84%	115.79%	N/A
ADT	ADT INC	$5.41B	$5.14B	$2.67B	$624.08M	$0.77	3.28%	-0.42%	24.19%	N/A
REZI	RESIDEO TECHNOLOGIES INC	$4.29B	$7.61B	-$61.00M	-$549.00M	-$3.69	8.08%	7.47%	N/A	N/A
BRC	BRADY CORP	$3.35B	$1.57B	$303.76M	$204.13M	$4.31	10.47%	8.15%	6.68%	16.37%
EVLV	EVOLV TECHNOLOGIES HOLDINGS INC	$1.03B	$160.23M	-$6.49M	-$36.46M	-$0.23	40.93%	81.46%	N/A	N/A
ALLE	ALLEGION PLC	$10.80B	$4.16B	$1.00B	$633.70M	$7.37	8.87%	8.71%	2.93%	9.89%
NL	NL INDUSTRIES INC	$371.85M	$158.58M	-$44.93M	-$34.15M	-$0.69	6.98%	6.06%	N/A	N/A
UUU	UNIVERSAL SAFETY PRODUCTS INC	$16.39M	$10.83M	$143.21k	-$174.08k	-$0.08	-50.27%	-9.79%	N/A	N/A
BAER	BRIDGER AEROSPACE GROUP HOLDINGS INC	$96.25M	$115.70M	$27.16M	-$39.17M	-$0.71	6.39%	N/A	N/A	N/A
KSCP	KNIGHTSCOPE INC	$50.89M	$14.43M	-$34.56M	-$37.24M	-$3.54	25.86%	N/A	N/A	N/A
IVDA	IVEDA SOLUTIONS INC	$3.71M	$5.30M	-$2.85M	-$2.94M	-$0.67	-25.86%	33.73%	N/A	N/A
GFAI	GUARDFORCE AI CO LTD	$11.18M	$35.23M	-$3.83M	-$6.64M	-$0.30	7.96%	-1.32%	N/A	N/A
SUGP	SU GROUP HOLDINGS LTD	$5.36M	$24.66M	-$1.96M	-$2.37M	-$1.71	5.88%	N/A	N/A	N/A
VRME	VERIFYME INC	$9.45M	$13.72M	-$4.38M	-$5.01M	-$0.38	-40.12%	99.04%	N/A	N/A	2026-05-19
CIX	COMPX INTERNATIONAL INC	$277.27M	$158.58M	$30.39M	$20.20M	$1.64	6.98%	6.06%	12.33%	13.52%
SNT	SENSTAR TECHNOLOGIES CORP	$60.66M	$36.37M	$3.76M	$3.22M	$0.14	1.74%	1.75%	27.27%	69.52%	2026-05-27
YOOV	CONCORDE INTERNATIONAL GROUP LTD	$8.54M	$12.48M	-$14.26M	-$15.24M	-$0.67	18.92%	N/A	N/A	N/A

Security & Protection Service Stocks FAQ

What are the best security & protection service stocks to buy right now in May 2026?

According to Zen Ratings, our proprietary rating system that evaluates 115 factors proven to drive growth in stocks and assigns each stock in our system an overall letter grade as well as 7 individual Component Grades for Value, Growth, Momentum, Sentiment, Safety, Financials, and proprietary AI algorithms, the 3 best security & protection service stocks to buy right now are:

1. Brinks Co (NYSE:BCO)

Brinks Co (NYSE:BCO) is the #1 top security & protection service stock out of 23 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

The Component Grade breakdown for Brinks Co (NYSE:BCO) is: Value: B, Growth: B, Momentum: C, Sentiment: B, Safety: A, Financials: C, and AI: C.

Brinks Co (NYSE:BCO) has a Due Diligence Score of 42, which is 8 points higher than the security & protection service industry average of 34.

BCO passed 16 out of 38 due diligence checks and has strong fundamentals. Brinks Co has seen its stock return 17.27% over the past year, overperforming other security & protection service stocks by 15 percentage points.

Brinks Co has an average 1 year price target of $154.00, an upside of 48.41% from Brinks Co's current stock price of $103.77.

Brinks Co stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 2 analysts covering Brinks Co, 100% have issued a Strong Buy rating, 0% have issued a Buy, 0% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

2. Mistras Group (NYSE:MG)

Mistras Group (NYSE:MG) is the #2 top security & protection service stock out of 23 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

The Component Grade breakdown for Mistras Group (NYSE:MG) is: Value: C, Growth: B, Momentum: C, Sentiment: A, Safety: B, Financials: C, and AI: C.

Mistras Group (NYSE:MG) has a Due Diligence Score of 39, which is 5 points higher than the security & protection service industry average of 34.

MG passed 13 out of 33 due diligence checks and has average fundamentals. Mistras Group has seen its stock return 110.66% over the past year, overperforming other security & protection service stocks by 109 percentage points.

3. Msa Safety (NYSE:MSA)

Msa Safety (NYSE:MSA) is the #3 top security & protection service stock out of 23 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

The Component Grade breakdown for Msa Safety (NYSE:MSA) is: Value: B, Growth: C, Momentum: C, Sentiment: B, Safety: B, Financials: A, and AI: B.

Msa Safety (NYSE:MSA) has a Due Diligence Score of 46, which is 12 points higher than the security & protection service industry average of 34.

MSA passed 17 out of 38 due diligence checks and has strong fundamentals. Msa Safety has seen its stock return 7.99% over the past year, overperforming other security & protection service stocks by 6 percentage points.

Msa Safety has an average 1 year price target of $193.67, an upside of 13.1% from Msa Safety's current stock price of $171.24.

Msa Safety stock has a consensus Buy recommendation according to Wall Street analysts. Of the 3 analysts covering Msa Safety, 33.33% have issued a Strong Buy rating, 0% have issued a Buy, 66.67% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

What are the security & protection service stocks with highest dividends?

Out of 8 security & protection service stocks that have issued dividends in the past year, the 3 security & protection service stocks with the highest dividend yields are:

1. Compx International (NYSEMKT:CIX)

Compx International (NYSEMKT:CIX) has an annual dividend yield of 9.78%, which is 7 percentage points higher than the security & protection service industry average of 3.24%. Compx International's dividend payout is not stable, having dropped more than 10% three times in the last 10 years. Compx International's dividend has shown consistent growth over the last 10 years.

Compx International's dividend payout ratio of 134.1% indicates that its high dividend yield might not be sustainable for the long-term.

2. Nl Industries (NYSE:NL)

Nl Industries (NYSE:NL) has an annual dividend yield of 7.62%, which is 4 percentage points higher than the security & protection service industry average of 3.24%. Nl Industries's dividend payout is not stable, having dropped more than 10% three times in the last 10 years. Nl Industries's dividend has shown consistent growth over the last 10 years.

Nl Industries's dividend payout ratio of -84.1% indicates that its high dividend yield might not be sustainable for the long-term.

3. Adt (NYSE:ADT)

Adt (NYSE:ADT) has an annual dividend yield of 3.22%, which is the same as the security & protection service industry average of 3.24%. Adt's dividend payout is not stable, having dropped more than 10% one times in the last 10 years. Adt's dividend has shown consistent growth over the last 10 years.

Adt's dividend payout ratio of 28.6% indicates that its dividend yield is sustainable for the long-term.

Why are security & protection service stocks down?

Security & protection service stocks were down -2.38% in the last day, and down -5.08% over the last week.

We couldn't find a catalyst for why security & protection service stocks are down.

What are the most undervalued security & protection service stocks?

Based on the Valuation rating, one of the 7 components of a stocks overall Zen Ratings grade, which evaluates factors including estimated earnings yield, earnings before interest and taxes/enterprise value, cash flow yield, free cash flow to price, and price-to-earnings growth (PEG ratio), the 3 most undervalued security & protection service stocks right now are:

1. Adt (NYSE:ADT)

Adt (NYSE:ADT) is the most undervalued security & protection service stock based on its Valuation Rating of A. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Adt has a valuation score of 71, which is 49 points higher than the security & protection service industry average of 22. It passed 5 out of 7 valuation due diligence checks.

Adt's stock has dropped -19.36% in the past year. It has underperformed other stocks in the security & protection service industry by -21 percentage points.

2. Brinks Co (NYSE:BCO)

Brinks Co (NYSE:BCO) is the second most undervalued security & protection service stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Brinks Co has a valuation score of 14, which is -8 points higher than the security & protection service industry average of 22. It passed 1 out of 7 valuation due diligence checks. Although this number is below the industry average, our proven quant model rates BCO a Valuation Rating of "B".

Brinks Co's stock has gained 17.27% in the past year. It has overperformed other stocks in the security & protection service industry by 15 percentage points.

3. Allegion (NYSE:ALLE)

Allegion (NYSE:ALLE) is the third most undervalued security & protection service stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Allegion has a valuation score of 14, which is -8 points higher than the security & protection service industry average of 22. It passed 1 out of 7 valuation due diligence checks. Although this number is below the industry average, our proven quant model rates ALLE a Valuation Rating of "B".

Allegion's stock has dropped -12.08% in the past year. It has underperformed other stocks in the security & protection service industry by -14 percentage points.

Are security & protection service stocks a good buy now?

50% of security & protection service stocks rated by analysts are a strong buy right now. On average, analysts expect security & protection service stocks to rise by 18.44% over the next year.

18.75% of security & protection service stocks have a Zen Rating of A (Strong Buy), 6.25% of security & protection service stocks are rated B (Buy), 62.5% are rated C (Hold), 0% are rated D (Sell), and 12.5% are rated F (Strong Sell).

What is the average p/e ratio of the security & protection services industry?

The average P/E ratio of the security & protection services industry is 13.99x.

WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.