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Security Updates

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Security Updates give you the most recent protection content for your Symantec security products.

Symantec Endpoint Protection

2017 | 2016

2017 November

Date Name LiveUpdate Defs ID
11/18/17 Security Update 270 20171117.021
11/17/17 Security Update 269 20171116.021
11/16/17 Security Update 268 20171115.021
11/15/17 Security Update 268 20171114.021
11/14/17 Security Update 267 20171113.021
11/11/17 Security Update 266 20171110.021
11/10/17 Security Update 265 20171109.021
11/9/17 Security Update 264 20171108.021
11/8/17 Security Update 263 20171107.021
11/7/17 Security Update 262 20171106.021
11/4/17 Security Update 261 20171103.021
11/3/17 Security Update 260 20171102.021
11/1/17 Security Update 259 20171101.021
11/1/17 Security Update 258 20171031.021

2017 October

Date Name LiveUpdate Defs ID
10/31/17 Security Update 257 20171030.021
10/27/17 Security Update 256 20171027.021
10/26/17 Security Update 255 20171026.021
10/26/17 Security Update 254 20171025.021
10/24/17 Security Update 253 20171024.021
10/23/17 Security Update 252 20171023.021
10/21/17 Security Update 251 20171020.021
10/20/17 Security Update 250 20171019.023
10/19/17 Security Update 250 20171019.021
10/18/17 Security Update 249 20171017.021
10/17/17 Security Update 248 20171016.021
10/14/17 Security Update 247 20171013.021
10/13/17 Security Update 246 20171012.021
10/11/17 Security Update 245 20171011.021
10/10/17 Security Update 244 20171010.021
10/9/17 Security Update 243 20171009.023
10/6/17 Security Update 242 20171006.021
10/6/17 Security Update 241 20171005.021
10/4/17 Security Update 240 20171004.021
10/3/17 Security Update 239 20171003.021
10/3/17 Security Update 238 20171002.021

2017 September

Date Name LiveUpdate Defs ID
9/30/17 Security Update 237 20170929.021
9/28/17 Security Update 236 20170928.027
9/28/17 Security Update 235 20170928.025
9/27/17 Security Update 234 20170927.021
9/26/17 Security Update 233 20170926.024
9/25/17 Security Update 232 20170925.021
9/22/17 Security Update 231 20170922.022
9/21/17 Security Update 230 20170921.021
9/21/17 Security Update 229 20170920.023
9/19/17 Security Update 228 20170919.021
9/18/17 Security Update 227 20170918.021
9/15/17 Security Update 226 20170915.025
9/14/17 Security Update 225 20170914.021
9/13/17 Security Update 224 20170913.022
9/12/17 Security Update 223 20170912.023
9/11/17 Security Update 222 20170911.021
9/8/17 Security Update 221 20170908.021
9/7/17 Security Update 220 20170907.021
9/6/17 Security Update 219 20170906.021
9/5/17 Security Update 218 20170905.021
9/4/17 Security Update 217 20170904.021
9/1/17 Security Update 216 20170901.021

2017 August

Date Name LiveUpdate Defs ID
8/31/17 Security Update 215 20170831.021
8/30/17 Security Update 214 20170830.021
8/29/17 Security Update 213 20170829.023
8/28/17 Security Update 212 20170826.022
8/25/17 Security Update 212 20170825.021
8/24/17 Security Update 211 20170824.021
8/23/17 Security Update 210 20170823.021
8/22/17 Security Update 209 20170822.021
8/21/17 Security Update 208 20170821.021
8/18/17 Security Update 207 20170818.021
8/18/17 Security Update 206 20170817.021
8/16/17 Security Update 205 20170816.021
8/15/17 Security Update 204 20170815.021
8/14/17 Security Update 203 20170814.021
8/11/17 Security Update 202 20170811.021
8/10/17 Security Update 201 20170810.021
8/9/17 Security Update 200 20170809.021
8/9/17 Security Update 199 20170808.021
8/7/17 Security Update 198 20170807.021
8/4/17 Security Update 197 20170804.021
8/3/17 Security Update 196 20170803.021
8/3/17 Security Update 195 20170802.021
8/2/17 Security Update 194 20170801.021

2017 July

Date Name LiveUpdate Defs ID
7/31/17 Security Update 193 20170731.021
7/28/17 Security Update 192 20170728.021
7/27/17 Security Update 191 20170727.021
7/27/17 Security Update 190 20170726.021
7/26/17 Security Update 189 20170725.024
7/25/17 Security Update 189 20170725.022
7/25/17 Security Update 188 20170724.023
7/22/17 Security Update 187 20170721.021
7/20/17 Security Update 186 20170719.021
7/18/17 Security Update 185 20170717.023
7/17/17 Security Update 185 20170717.021
7/14/17 Security Update 184 20170714.023
7/14/17 Security Update 183 20170713.021
7/12/17 Security Update 182 20170712.021
7/12/17 Security Update 181 20170711.021
7/11/17 Security Update 180 20170710.021
7/8/17 Security Update 179 20170707.021
7/6/17 Security Update 178 20170706.021
7/5/17 Security Update 177 20170705.021
7/4/17 Security Update 176 20170704.021
7/3/17 Security Update 175 20170703.021

2017 June

Date Name LiveUpdate Defs ID
6/30/17 Security Update 174 20170630.021
6/29/17 Security Update 173 20170629.021
6/28/17 Security Update 172 20170628.021
6/28/17 Security Update 171 20170627.021
6/27/17 Security Update 170 20170626.022
6/24/17 Security Update 170 20170623.021
6/22/17 Security Update 169 20170622.023
6/21/17 Security Update 168 20170621.021
6/20/17 Security Update 167 20170620.022
6/19/17 Security Update 166 20170619.021
6/16/17 Security Update 165 20170616.021
6/15/17 Security Update 164 20170615.021
6/14/17 Security Update 163 20170614.021
6/13/17 Security Update 162 20170613.021
6/12/17 Security Update 161 20170612.021
6/9/17 Security Update 160 20170609.021
6/9/17 Security Update 159 20170608.021
6/7/17 Security Update 158 20170607.021
6/7/17 Security Update 157 20170606.021
6/3/17 Security Update 156 20170602.021
6/2/17 Security Update 155 20170601.021

2017 May

Date Name LiveUpdate Defs ID
5/30/17 Security Update 154 20170530.022
5/30/17 Security Update 153 20170530.021
5/29/17 Security Update 153 20170529.023
5/27/17 Security Update 152 20170526.021
5/25/17 Security Update 151 20170525.021
5/24/17 Security Update 150 20170523.023
5/22/17 Security Update 149 20170522.021
5/20/17 Security Update 148 20170519.021
5/19/17 Security Update 147 20170518.023
5/18/17 Security Update 146 20170517.027
5/17/17 Security Update 145 20170516.021
5/15/17 Security Update 144 20170515.021
5/14/17 Security Update 143 20170514.021
5/13/17 Security Update 142 20170513.022
5/13/17 Security Update 141 20170513.021
5/11/17 Security Update 139 20170511.021
5/11/17 Security Update 138 20170510.021
5/9/17 Security Update 137 20170506.026
5/8/17 Security Update 137 20170506.025
5/4/17 Security Update 136 20170504.021
5/4/17 Security Update 135 20170503.021
5/2/17 Security Update 134 20170502.021
5/1/17 Security Update 133 20170501.021

2017 April

Date Name LiveUpdate Defs ID
4/28/17 Security Update 132 20170428.021
4/27/17 Security Update 131 20170427.021
4/27/17 Security Update 130 20170426.021
4/25/17 Security Update 129 20170425.021
4/24/17 Security Update 128 20170424.021
4/21/17 Security Update 127 20170421.023
4/21/17 Security Update 126 20170421.021
4/19/17 Security Update 125 20170419.021
4/18/17 Security Update 124 20170418.021
4/17/17 Security Update 123 20170417.021
4/14/17 Security Update 122 20170414.021
4/13/17 Security Update 121 20170413.021
4/12/17 Security Update 120 20170412.021
4/11/17 Security Update 119 20170411.021
4/11/17 Security Update 118 20170410.021
4/8/17 Security Update 117 20170408.021
4/8/17 Security Update 116 20170407.021
4/7/17 Security Update 115 20170406.021
4/5/17 Security Update 114 20170405.021
4/4/17 Security Update 113 20170404.021

2017 March

Date Name LiveUpdate Defs ID
3/31/17 Security Update 112 20170331.023
3/30/17 Security Update 111 20170330.021
3/29/17 Security Update 110 20170329.021
3/29/17 Security Update 109 20170328.021
3/27/17 Security Update 108 20170327.021
3/24/17 Security Update 107 20170324.021
3/23/17 Security Update 106 20170323.021
3/22/17 Security Update 105 20170322.021
3/21/17 Security Update 104 20170321.021
3/20/17 Security Update 103 20170320.021
3/17/17 Security Update 102 20170317.021
3/16/17 Security Update 101 20170316.021
3/16/17 Security Update 100 20170315.021
3/15/17 Security Update 99 20170314.021
3/13/17 Security Update 98 20170313.021
3/10/17 Security Update 97 20170310.021
3/9/17 Security Update 96 20170309.024
3/8/17 Security Update 95 20170308.025
3/7/17 Security Update 94 20170307.021
3/6/17 Security Update 93 20170306.021
3/3/17 Security Update 92 20170303.021
3/2/17 Security Update 91 20170302.021
3/1/17 Security Update 90 20170301.021
3/1/17 Security Update 89 20170228.021

2017 February

Date Name LiveUpdate Defs ID
2/26/17 Security Update 88 20170225.021
2/25/17 Security Update 87 20170224.022
2/23/17 Security Update 86 20170222.021
2/21/17 Security Update 85 20170221.021
2/20/17 Security Update 84 20170220.021
2/18/17 Security Update 83 20170217.021
2/17/17 Security Update 81 20170216.022
2/17/17 Security Update 82 20170216.021
2/15/17 Security Update 81 20170215.021
2/14/17 Security Update 80 20170214.021
2/13/17 Security Update 79 20170213.023
2/10/17 Security Update 78 20170210.021
2/10/17 Security Update 77 20170209.021
2/8/17 Security Update 76 20170208.021
2/8/17 Security Update 75 20170207.021
2/6/17 Security Update 74 20170206.001
2/3/17 Security Update 73 20170203.002
2/3/17 Security Update 72 20170202.001
2/2/17 Security Update 71 20170201.003
2/1/17 Security Update 70 20170131.001

2017 January

Date Name LiveUpdate Defs ID
1/30/17 Security Update 69 20170130.001
1/28/17 Security Update 68 20170127.001
1/27/17 Security Update 67 20170126.001
1/25/17 Security Update 66 20170125.001
1/24/17 Security Update 65 20170124.001
1/24/17 Security Update 64 20170123.001
1/20/17 Security Update 63 20170120.001
1/19/17 Security Update 62 20170119.001
1/19/17 Security Update 61 20170118.001
1/17/17 Security Update 60 20170117.001
1/16/17 Security Update 59 20170116.001
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