1. /
  2. Security Response/
  3. Norton AntiVirus

Security Updates

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

Norton AntiVirus

2014 | 2013 | 2012 | 2011 | 2010

2011 December

Date Name LiveUpdate Defs ID
12/28/11 Security Update 522 20111228.001
12/26/11 Security Update 521 20111226.001
12/23/11 Security Update 520 20111223.001
12/22/11 Security Update 519 20111222.001
12/21/11 Security Update 518 20111221.001
12/20/11 Security Update 517 20111220.001
12/19/11 Security Update 516 20111219.001
12/16/11 Security Update 515 20111216.001
12/15/11 Security Update 514 20111215.001
12/14/11 Security Update 513 20111214.001
12/13/11 Security Update 511 20111212.002
12/12/11 Security Update 512 20111210.001
12/9/11 Security Update 511 20111209.002
12/8/11 Security Update 510 20111208.001
12/7/11 Security Update 509 20111207.001
12/6/11 Security Update 508 20111206.001
12/5/11 Security Update 507 20111203.001
12/2/11 Security Update 506 20111202.001
12/1/11 Security Update 505 20111201.001

2011 November

Date Name LiveUpdate Defs ID
11/30/11 Security Update 504 20111130.001
11/29/11 Security Update 503 20111129.030
11/28/11 Security Update 502 20111128.030
11/24/11 Security Update 501 20111124.030
11/23/11 Security Update 500 20111123.030
11/22/11 Security Update 499 20111122.030
11/21/11 Security Update 498 20111119.031
11/18/11 Security Update 497 20111118.030
11/17/11 Security Update 496 20111117.030
11/16/11 Security Update 495 20111116.030
11/15/11 Security Update 494 20111115.030
11/14/11 Security Update 493 20111112.030
11/11/11 Security Update 492 20111111.030
11/10/11 Security Update 491 20111110.030
11/9/11 Security Update 490 20111109.030
11/8/11 Security Update 489 20111107.032
11/4/11 Security Update 488 20111104.030
11/3/11 Security Update 487 20111103.030
11/2/11 Security Update 486 20111102.030
11/1/11 Security Update 485 20111031.030

2011 October

Date Name LiveUpdate Defs ID
10/28/11 Security Update 484 20111028.030
10/26/11 Security Update 483 20111026.030
10/25/11 Security Update 482 20111025.030
10/24/11 Security Update 481 20111022.030
10/21/11 Security Update 480 20111021.030
10/20/11 Security Update 479 20111020.030
10/19/11 Security Update 478 20111019.030
10/18/11 Security Update 477 20111018.030
10/17/11 Security Update 476 20111015.030
10/14/11 Security Update 475 20111014.031
10/13/11 Security Update 474 20111013.030
10/12/11 Security Update 473 20111012.034
10/11/11 Security Update 472 20111011.030
10/10/11 Security Update 471 20111010.030
10/7/11 Security Update 470 20111007.030
10/6/11 Security Update 469 20111006.030
10/5/11 Security Update 468 20111005.031
10/4/11 Security Update 467 20111004.030
10/3/11 Security Update 466 20111001.030

2011 September

Date Name LiveUpdate Defs ID
9/30/11 Security Update 465 20110930.030
9/29/11 Security Update 464 20110929.031
9/28/11 Security Update 463 20110928.030
9/27/11 Security Update 462 20110927.030
9/26/11 Security Update 461 20110924.030
9/23/11 Security Update 460 20110923.030
9/22/11 Security Update 459 20110922.030
9/21/11 Security Update 458 20110921.030
9/19/11 Security Update 457 20110917.033
9/17/11 Security Update 456 20110917.031
9/15/11 Security Update 455 20110915.030
9/14/11 Security Update 454 20110914.031
9/13/11 Security Update 453 20110913.030
9/12/11 Security Update 452 20110912.030
9/9/11 Security Update 451 20110909.030
9/8/11 Security Update 450 20110908.030
9/7/11 Security Update 449 20110907.030
9/5/11 Security Update 448 20110903.030
9/2/11 Security Update 447 20110902.030
9/1/11 Security Update 446 20110901.030

2011 August

Date Name LiveUpdate Defs ID
8/31/11 Security Update 445 20110831.030
8/30/11 Security Update 444 20110830.030
8/29/11 Security Update 443 20110828.030
8/26/11 Security Update 442 20110826.030
8/25/11 Security Update 441 20110824.030
8/23/11 Security Update 417 20110822.031
8/22/11 Security Update 439 20110822.030
8/19/11 Security Update 438 20110819.030
8/18/11 Security Update 437 20110818.030
8/17/11 Security Update 436 20110817.030
8/16/11 Security Update 435 20110816.030
8/15/11 Security Update 434 20110815.030
8/12/11 Security Update 433 20110812.030
8/11/11 Security Update 432 20110811.030
8/10/11 Security Update 431 20110810.030
8/9/11 Security Update 430 20110809.030
8/8/11 Security Update 429 20110808.030
8/5/11 Security Update 428 20110805.030
8/4/11 Security Update 427 20110804.030
8/3/11 Security Update 426 20110803.030
8/2/11 Security Update 425 20110802.030
8/1/11 Security Update 424 20110801.030

2011 July

Date Name LiveUpdate Defs ID
7/29/11 Security Update 423 20110729.030
7/28/11 Security Update 422 20110728.031
7/27/11 Security Update 421 20110727.030
7/26/11 Security Update 420 20110725.001
7/22/11 Security Update 419 20110722.031
7/21/11 Security Update 418 20110721.031
7/20/11 Security Update 417 20110720.031
7/18/11 Security Update 416 20110716.031
7/15/11 Security Update 415 20110715.032
7/14/11 Security Update 414 20110714.034
7/13/11 Security Update 413 20110713.031
7/12/11 Security Update 412 20110712.034
7/11/11 Security Update 411 20110712.033
7/11/11 Security Update 410 20110709.032
7/8/11 Security Update 409 20110708.032
7/7/11 Security Update 408 20110707.031
7/6/11 Security Update 407 20110706.051
7/4/11 Security Update 406 20110704.050
7/1/11 Security Update 405 20110701.051
6/30/11 Security Update 404 20110630.050

2011 June

Date Name LiveUpdate Defs ID
6/29/11 Security Update 403 20110629.050
6/29/11 Security Update 402 20110628.050
6/27/11 Security Update 401 20110625.050
6/24/11 Security Update 400 20110624.050
6/23/11 Security Update 399 20110623.002
6/22/11 Security Update 398 20110623.001
6/22/11 Security Update 397 20110622.001
6/15/11 Security Update 396 20110615.001
6/14/11 Security Update 395 20110614.001
6/13/11 Security Update 394 20110610.006
6/9/11 Security Update 393 20110604.001
6/3/11 Security Update 393 20110603.003
6/2/11 Security Update 392 20110602.001
6/1/11 Security Update 391 20110531.001

2011 May

Date Name LiveUpdate Defs ID
5/27/11 Security Update 390 20110527.001
5/26/11 Security Update 389 20110526.002
5/18/11 Security Update 388 20110518.001
5/16/11 Security Update 387 20110514.001
5/13/11 Security Update 386 20110513.001
5/12/11 Security Update 385 20110512.001
5/11/11 Security Update 384 20110511.001
5/10/11 Security Update 383 20110509.001
5/6/11 Security Update 382 20110506.001
5/5/11 Security Update 381 20110505.002
5/4/11 Security Update 380 20110504.001
5/3/11 Security Update 379 20110502.001

2011 April

Date Name LiveUpdate Defs ID
4/29/11 Security Update 378 20110429.002
4/28/11 Security Update 377 20110428.002
4/27/11 Security Update 376 20110426.001
4/25/11 Security Update 375 20110425.001
4/21/11 Security Update 374 20110421.001
4/20/11 Security Update 373 20110420.001
4/19/11 Security Update 372 20110419.002
4/18/11 Security Update 371 20110419.001
4/18/11 Security Update 370 20110416.001
4/15/11 Security Update 369 20110415.003
4/12/11 Security Update 368 20110412.001
4/11/11 Security Update 367 20110411.001
4/8/11 Security Update 366 20110408.001
4/7/11 Security Update 365 20110407.001
4/6/11 Security Update 364 20110406.001
4/5/11 Security Update 363 20110405.001
4/4/11 Security Update 362 20110401.001

2011 March

Date Name LiveUpdate Defs ID
3/30/11 Security Update 361 20110330.001
3/28/11 Security Update 360 20110325.002
3/25/11 Security Update 360 20110325.001
3/24/11 Security Update 359 20110324.001
3/21/11 Security Update 358 20110317.005
3/17/11 Security Update 358 20110317.002
3/16/11 Security Update 357 20110316.001
3/15/11 Security Update 356 20110314.004
3/14/11 Security Update 355 20110314.001
3/11/11 Security Update 354 20110311.001
3/10/11 Security Update 353 20110310.002
3/9/11 Security Update 352 20110308.003
3/7/11 Security Update 351 20110304.001
3/3/11 Security Update 350 20110303.001
3/1/11 Security Update 348 20110302.001
3/1/11 Security Update 349 20110301.001
2/28/11 Security Update 348 20110228.002

2011 February

Date Name LiveUpdate Defs ID
2/25/11 Security Update 347 20110225.001
2/24/11 Security Update 346 20110224.001
2/23/11 Security Update 345 20110223.001
2/22/11 Security Update 344 20110221.001
2/18/11 Security Update 343 20110218.003
2/17/11 Security Update 342 20110217.001
2/16/11 Security Update 341 20110216.001
2/15/11 Security Update 340 20110215.001
2/14/11 Security Update 339 20110214.001
2/11/11 Security Update 338 20110211.002
2/10/11 Security Update 337 20110210.001
2/9/11 Security Update 336 20110209.001
2/8/11 Security Update 335 20110208.003
2/7/11 Security Update 334 20110207.001
2/4/11 Security Update 333 20110204.001
2/3/11 Security Update 332 20110203.001
2/2/11 Security Update 331 20110202.001
2/1/11 Security Update 330 20110131.001

2011 January

Date Name LiveUpdate Defs ID
1/28/11 Security Update 329 20110128.003
1/27/11 Security Update 328 20110127.001
1/26/11 Security Update 327 20110126.001
1/25/11 Security Update 326 20110125.002
1/25/11 Security Update 325 20110125.001
1/21/11 Security Update 324 20110120.001
1/19/11 Security Update 323 20110118.001
1/17/11 Security Update 322 20110117.001
1/14/11 Security Update 321 20110114.002
1/13/11 Security Update 320 20110113.001
1/12/11 Security Update 319 20110112.001
1/11/11 Security Update 318 20110111.001
1/10/11 Security Update 317 20110110.002
1/7/11 Security Update 316 20110107.002
1/6/11 Security Update 315 20110106.003
1/5/11 Security Update 314 20110104.001
12/31/10 Security Update 313 20101231.001
Security Response Blog
The State of Spam