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Security Updates

Security Updates give you the most recent protection content for your Symantec security products.
Attack Signatures A-Z List

Norton Internet Security

2016 | 2015 | 2014 | 2013 | 2012 | 2011

2016 September

Date Name LiveUpdate Defs ID
9/30/16 Security Update 1665 20160930.001
9/29/16 Security Update 1664 20160929.001
9/28/16 Security Update 1663 20160928.001
9/27/16 Security Update 1662 20160927.001
9/26/16 Security Update 1660 20160925.001
9/21/16 Security Update 1658 20160920.005
9/20/16 Security Update 1661 20160920.001
9/19/16 Security Update 1660 20160919.001
9/19/16 Security Update 1659 20160917.001
9/14/16 Security Update 1658 20160914.001
9/14/16 Security Update 1657 20160913.001
9/13/16 Security Update 1655 20160912.003
9/12/16 Security Update 1656 20160912.001
9/9/16 Security Update 1655 20160909.001
9/8/16 Security Update 1654 20160908.001
9/7/16 Security Update 1653 20160907.001
9/7/16 Security Update 1652 20160906.001
9/5/16 Security Update 1651 20160905.001
9/2/16 Security Update 1650 20160902.001
9/1/16 Security Update 1649 20160901.001

2016 August

Date Name LiveUpdate Defs ID
8/31/16 Security Update 1648 20160831.001
8/30/16 Security Update 1647 20160830.001
8/29/16 Security Update 1646 20160829.001
8/26/16 Security Update 1645 20160826.001
8/25/16 Security Update 1644 20160825.001
8/24/16 Security Update 1643 20160824.001
8/23/16 Security Update 1642 20160823.005
8/22/16 Security Update 1641 20160822.001
8/19/16 Security Update 1640 20160819.001
8/18/16 Security Update 1639 20160818.001
8/17/16 Security Update 1638 20160817.001
8/16/16 Security Update 1637 20160816.001
8/15/16 Security Update 1636 20160815.001
8/12/16 Security Update 1635 20160812.001
8/11/16 Security Update 1634 20160811.001
8/10/16 Security Update 1633 20160810.001
8/9/16 Security Update 1632 20160809.001
8/8/16 Security Update 1631 20160808.001
8/5/16 Security Update 1630 20160805.001
8/4/16 Security Update 1629 20160804.005
8/3/16 Security Update 1628 20160803.001
8/2/16 Security Update 1627 20160802.001
8/1/16 Security Update 1626 20160801.001

2016 July

Date Name LiveUpdate Defs ID
7/29/16 Security Update 1625 20160729.001
7/28/16 Security Update 1624 20160728.001
7/27/16 Security Update 1623 20160727.001
7/26/16 Security Update 1622 20160726.001
7/25/16 Security Update 1621 20160725.001
7/22/16 Security Update 1620 20160722.001
7/21/16 Security Update 1619 20160721.001
7/20/16 Security Update 1618 20160720.001
7/19/16 Security Update 1617 20160719.001
7/15/16 Security Update 1616 20160715.001
7/14/16 Security Update 1615 20160714.001
7/13/16 Security Update 1614 20160713.001
7/12/16 Security Update 1613 20160712.001
7/12/16 Security Update 1612 20160711.001
7/8/16 Security Update 1611 20160708.001
7/7/16 Security Update 1610 20160706.003
7/6/16 Security Update 1610 20160706.001
7/5/16 Security Update 1609 20160705.001
7/4/16 Security Update 1608 20160704.001
7/1/16 Security Update 1607 20160701.001

2016 June

Date Name LiveUpdate Defs ID
6/30/16 Security Update 1606 20160630.001
6/29/16 Security Update 1605 20160629.001
6/28/16 Security Update 1604 20160628.001
6/27/16 Security Update 1603 20160627.005
6/24/16 Security Update 1602 20160624.001
6/23/16 Security Update 1601 20160623.001
6/22/16 Security Update 1600 20160622.001
6/21/16 Security Update 1599 20160621.001
6/20/16 Security Update 1598 20160620.003
6/18/16 Security Update 1597 20160617.001
6/16/16 Security Update 1596 20160616.001
6/15/16 Security Update 1595 20160615.001
6/14/16 Security Update 1594 20160614.001
6/14/16 Security Update 1593 20160613.001
6/10/16 Security Update 1592 20160610.001
6/9/16 Security Update 1591 20160609.001
6/8/16 Security Update 1590 20160608.001
6/7/16 Security Update 1589 20160607.001
6/6/16 Security Update 1588 20160606.001
6/4/16 Security Update 1587 20160603.001
6/2/16 Security Update 1586 20160602.001
6/2/16 Security Update 1585 20160601.001
6/1/16 Security Update 1584 20160531.001

2016 May

Date Name LiveUpdate Defs ID
5/30/16 Security Update 1583 20160530.001
5/27/16 Security Update 1582 20160527.001
5/26/16 Security Update 1581 20160526.001
5/25/16 Security Update 1580 20160525.001
5/25/16 Security Update 1579 20160524.004
5/23/16 Security Update 1578 20160523.001
5/21/16 Security Update 1577 20160520.001
5/19/16 Security Update 1576 20160519.001
5/19/16 Security Update 1575 20160518.001
5/18/16 Security Update 1574 20160517.001
5/17/16 Security Update 1573 20160516.001
5/17/16 Security Update 1573 20160516.003
5/11/16 Security Update 1572 20160510.001
5/9/16 Security Update 1571 20160508.001
5/5/16 Security Update 1571 20160504.002
5/4/16 Security Update 1570 20160503.001
5/3/16 Security Update 1569 20160502.001

2016 April

Date Name LiveUpdate Defs ID
4/29/16 Security Update 1568 20160429.001
4/27/16 Security Update 1567 20160426.001
4/26/16 Security Update 1566 20160425.001
4/23/16 Security Update 1565 20160423.001
4/23/16 Security Update 1564 20160422.001
4/22/16 Security Update 1563 20160421.001
4/20/16 Security Update 1562 20160420.001
4/19/16 Security Update 1561 20160419.001
4/19/16 Security Update 1560 20160418.001
4/16/16 Security Update 1559 20160415.001
4/15/16 Security Update 1558 20160414.001
4/13/16 Security Update 1557 20160413.001
4/12/16 Security Update 1556 20160412.001
4/12/16 Security Update 1555 20160411.001
4/8/16 Security Update 1554 20160408.001
4/7/16 Security Update 1553 20160407.001
4/6/16 Security Update 1552 20160406.001
4/4/16 Security Update 1551 20160404.001
4/1/16 Security Update 1550 20160401.001

2016 March

Date Name LiveUpdate Defs ID
3/31/16 Security Update 1549 20160331.001
3/30/16 Security Update 1548 20160330.001
3/30/16 Security Update 1547 20160329.002
3/28/16 Security Update 1546 20160328.001
3/25/16 Security Update 1545 20160324.001
3/24/16 Security Update 1544 20160323.001
3/22/16 Security Update 1543 20160322.001
3/22/16 Security Update 1542 20160321.002
3/17/16 Security Update 1541 20160317.001
3/16/16 Security Update 1540 20160316.001
3/16/16 Security Update 1539 20160315.001
3/14/16 Security Update 1538 20160314.001
3/11/16 Security Update 1537 20160311.001
3/10/16 Security Update 1536 20160309.003
3/9/16 Security Update 1535 20160309.001
3/8/16 Security Update 1534 20160308.001
3/8/16 Security Update 1533 20160307.001
3/4/16 Security Update 1532 20160304.001
3/3/16 Security Update 1531 20160303.001
3/2/16 Security Update 1530 20160302.001
3/1/16 Security Update 1529 20160301.001
3/1/16 Security Update 1528 20160229.001

2016 February

Date Name LiveUpdate Defs ID
2/26/16 Security Update 1527 20160226.001
2/25/16 Security Update 1526 20160225.001
2/24/16 Security Update 1525 20160224.001
2/23/16 Security Update 1524 20160223.001
2/22/16 Security Update 1523 20160222.001
2/19/16 Security Update 1522 20160219.001
2/18/16 Security Update 1521 20160218.001
2/17/16 Security Update 1520 20160217.001
2/16/16 Security Update 1519 20160216.001
2/15/16 Security Update 1518 20160215.001
2/13/16 Security Update 1517 20160213.001
2/12/16 Security Update 1516 20160210.003
2/9/16 Security Update 1515 20160209.001
2/9/16 Security Update 1514 20160207.001
2/6/16 Security Update 1513 20160205.001
2/4/16 Security Update 1512 20160204.001
2/3/16 Security Update 1511 20160203.001
2/2/16 Security Update 1510 20160202.001
2/1/16 Security Update 1509 20160201.001

2016 January

Date Name LiveUpdate Defs ID
1/29/16 Security Update 1508 20160129.001
1/28/16 Security Update 1507 20160128.001
1/27/16 Security Update 1506 20160127.001
1/26/16 Security Update 1505 20160126.001
1/25/16 Security Update 1504 20160125.001
1/23/16 Security Update 1503 20160122.001
1/20/16 Security Update 1502 20160120.001
1/19/16 Security Update 1501 20160119.001
1/18/16 Security Update 1500 20160118.001
1/16/16 Security Update 1499 20160116.001
1/14/16 Security Update 1498 20160114.001
1/13/16 Security Update 1497 20160113.001
1/12/16 Security Update 1496 20160112.001
1/8/16 Security Update 1494 20160108.001
1/7/16 Security Update 1493 20160107.001
1/6/16 Security Update 1492 20160106.001
1/6/16 Security Update 1491 20160105.003
1/4/16 Security Update 1490 20160104.001
1/1/16 Security Update 1489 20160101.001
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