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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

2018 | 2017 | 2016

2018 September

Date Name LiveUpdate Defs ID
9/21/18 Security Update 478 20180921.061
9/20/18 Security Update 477 20180920.062
9/19/18 Security Update 476 20180919.061
9/18/18 Security Update 475 20180918.061
9/17/18 Security Update 474 20180917.061
9/14/18 Security Update 473 20180914.061
9/13/18 Security Update 472 20180913.061
9/12/18 Security Update 471 20180912.061
9/11/18 Security Update 470 20180911.061
9/10/18 Security Update 469 20180910.061
9/7/18 Security Update 468 20180907.061
9/6/18 Security Update 467 20180906.061
9/5/18 Security Update 466 20180905.061
9/4/18 Security Update 465 20180904.061
9/3/18 Security Update 464 20180903.061

2018 August

Date Name LiveUpdate Defs ID
8/31/18 Security Update 463 20180831.061
8/30/18 Security Update 462 20180830.061
8/29/18 Security Update 461 20180829.061
8/28/18 Security Update 460 20180828.061
8/27/18 Security Update 459 20180827.061
8/24/18 Security Update 458 20180824.061
8/23/18 Security Update 457 20180823.061
8/22/18 Security Update 456 20180821.064
8/21/18 Security Update 456 20180821.061
8/20/18 Security Update 455 20180817.063
8/17/18 Security Update 455 20180817.061
8/16/18 Security Update 454 20180816.061
8/14/18 Security Update 453 20180814.061
8/13/18 Security Update 452 20180813.061
8/11/18 Security Update 451 20180810.061
8/9/18 Security Update 450 20180809.061
8/8/18 Security Update 449 20180808.061
8/7/18 Security Update 448 20180807.061
8/6/18 Security Update 447 20180804.061
8/3/18 Security Update 447 20180803.061
8/2/18 Security Update 446 20180802.061
8/1/18 Security Update 445 20180801.062

2018 July

Date Name LiveUpdate Defs ID
7/31/18 Security Update 444 20180731.061
7/30/18 Security Update 443 20180730.061
7/27/18 Security Update 442 20180727.061
7/26/18 Security Update 441 20180726.063
7/25/18 Security Update 440 20180725.061
7/24/18 Security Update 439 20180724.061
7/23/18 Security Update 438 20180723.061
7/20/18 Security Update 437 20180720.061
7/19/18 Security Update 436 20180719.061
7/19/18 Security Update 435 20180718.063
7/17/18 Security Update 434 20180717.061
7/16/18 Security Update 433 20180716.061
7/14/18 Security Update 431 20180713.062
7/13/18 Security Update 432 20180713.061
7/12/18 Security Update 431 20180712.061
7/11/18 Security Update 430 20180711.061
7/10/18 Security Update 429 20180710.061
7/9/18 Security Update 428 20180709.061
7/6/18 Security Update 427 20180706.061
7/4/18 Security Update 426 20180704.061
7/3/18 Security Update 425 20180703.063
7/2/18 Security Update 424 20180629.065

2018 June

Date Name LiveUpdate Defs ID
6/29/18 Security Update 423 20180629.061
6/28/18 Security Update 422 20180628.061
6/27/18 Security Update 421 20180627.061
6/26/18 Security Update 420 20180626.061
6/25/18 Security Update 419 20180625.061
6/23/18 Security Update 418 20180623.061
6/22/18 Security Update 417 20180622.061
6/21/18 Security Update 416 20180621.062
6/20/18 Security Update 415 20180620.061
6/19/18 Security Update 414 20180619.061
6/18/18 Security Update 413 20180618.061
6/15/18 Security Update 412 20180615.061
6/14/18 Security Update 411 20180614.061
6/13/18 Security Update 410 20180613.061
6/12/18 Security Update 409 20180612.063
6/12/18 Security Update 408 20180612.061
6/8/18 Security Update 408 20180608.061
6/7/18 Security Update 407 20180607.061
6/6/18 Security Update 406 20180606.063
6/5/18 Security Update 406 20180605.061
6/4/18 Security Update 405 20180604.063
6/1/18 Security Update 404 20180601.061

2018 May

Date Name LiveUpdate Defs ID
5/31/18 Security Update 403 20180531.061
5/30/18 Security Update 402 20180529.063
5/29/18 Security Update 402 20180529.061
5/28/18 Security Update 401 20180528.061
5/25/18 Security Update 400 20180525.061
5/24/18 Security Update 399 20180524.061
5/23/18 Security Update 398 20180523.061
5/22/18 Security Update 397 20180522.063
5/21/18 Security Update 396 20180521.061
5/18/18 Security Update 395 20180518.061
5/18/18 Security Update 394 20180517.061
5/16/18 Security Update 393 20180516.061
5/16/18 Security Update 392 20180515.063
5/14/18 Security Update 391 20180514.061
5/11/18 Security Update 390 20180511.061
5/10/18 Security Update 389 20180510.061
5/9/18 Security Update 388 20180509.063
5/8/18 Security Update 387 20180508.061
5/7/18 Security Update 386 20180507.061
5/4/18 Security Update 385 20180504.061
5/4/18 Security Update 384 20180503.061
5/3/18 Security Update 383 20180502.061
5/1/18 Security Update 382 20180501.061

2018 April

Date Name LiveUpdate Defs ID
4/30/18 Security Update 381 20180430.061
4/27/18 Security Update 380 20180427.061
4/26/18 Security Update 379 20180426.061
4/25/18 Security Update 378 20180425.061
4/24/18 Security Update 377 20180424.061
4/23/18 Security Update 376 20180423.061
4/22/18 Security Update 375 20180422.063
4/20/18 Security Update 374 20180420.061
4/19/18 Security Update 373 20180419.061
4/18/18 Security Update 372 20180418.061
4/18/18 Security Update 371 20180417.061
4/13/18 Security Update 370 20180413.061
4/12/18 Security Update 369 20180412.061
4/12/18 Security Update 368 20180411.061
4/11/18 Security Update 367 20180410.061
4/10/18 Security Update 366 20180409.061
4/6/18 Security Update 365 20180405.061
4/4/18 Security Update 364 20180404.061
4/3/18 Security Update 363 20180403.061
4/3/18 Security Update 362 20180402.061

2018 March

Date Name LiveUpdate Defs ID
3/28/18 Security Update 361 20180328.063
3/28/18 Security Update 360 20180327.061
3/22/18 Security Update 359 20180322.021
3/21/18 Security Update 358 20180321.021
3/20/18 Security Update 357 20180320.022
3/19/18 Security Update 356 20180319.021
3/16/18 Security Update 355 20180316.021
3/15/18 Security Update 354 20180315.021
3/15/18 Security Update 353 20180314.021
3/13/18 Security Update 352 20180313.021
3/12/18 Security Update 351 20180312.021
3/10/18 Security Update 350 20180309.021
3/8/18 Security Update 349 20180308.021
3/7/18 Security Update 348 20180307.021
3/7/18 Security Update 347 20180306.021
3/6/18 Security Update 346 20180305.021
3/2/18 Security Update 345 20180302.021
3/1/18 Security Update 344 20180301.021

2018 February

Date Name LiveUpdate Defs ID
2/28/18 Security Update 343 20180228.021
2/27/18 Security Update 342 20180227.021
2/26/18 Security Update 341 20180226.021
2/23/18 Security Update 340 20180223.021
2/22/18 Security Update 339 20180222.021
2/21/18 Security Update 338 20180221.021
2/20/18 Security Update 337 20180220.021
2/19/18 Security Update 336 20180219.021
2/17/18 Security Update 335 20180216.023
2/16/18 Security Update 334 20180216.021
2/15/18 Security Update 333 20180215.021
2/14/18 Security Update 332 20180214.021
2/13/18 Security Update 331 20180213.021
2/12/18 Security Update 330 20180212.021
2/11/18 Security Update 329 20180210.023
2/10/18 Security Update 329 20180210.021
2/9/18 Security Update 328 20180209.021
2/9/18 Security Update 327 20180208.021
2/7/18 Security Update 326 20180207.021
2/7/18 Security Update 325 20180206.021
2/6/18 Security Update 324 20180205.021
2/2/18 Security Update 323 20180202.021
2/1/18 Security Update 322 20180201.021

2018 January

Date Name LiveUpdate Defs ID
1/31/18 Security Update 321 20180131.021
1/30/18 Security Update 320 20180130.021
1/29/18 Security Update 319 20180129.021
1/27/18 Security Update 318 20180127.021
1/26/18 Security Update 317 20180125.021
1/24/18 Security Update 316 20180124.021
1/24/18 Security Update 315 20180123.021
1/23/18 Security Update 314 20180122.021
1/19/18 Security Update 313 20180119.021
1/18/18 Security Update 312 20180118.021
1/17/18 Security Update 311 20180117.021
1/16/18 Security Update 310 20180116.021
1/15/18 Security Update 309 20180115.021
1/13/18 Security Update 308 20180112.021
1/11/18 Security Update 307 20180111.021
1/11/18 Security Update 306 20180110.021
1/9/18 Security Update 305 20180109.021
1/8/18 Security Update 304 20180108.021
1/6/18 Security Update 303 20180106.021
1/5/18 Security Update 302 20180105.021
1/4/18 Security Update 301 20180104.021
1/3/18 Security Update 300 20180103.023
1/3/18 Security Update 299 20180103.021
1/1/18 Security Update 298 20180101.021
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