US 11,658,821 B2
Cybersecurity guard for core network elements
Arturo Maria, Bellevue, WA (US)
Assigned to AT&T Mobility II LLC, Atlanta, GA (US)
Filed by AT&T Mobility II LLC, Atlanta, GA (US)
Filed on Apr. 23, 2019, as Appl. No. 16/391,944.
Prior Publication US 2020/0344057 A1, Oct. 29, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/32 (2006.01); H04W 48/16 (2009.01); G06F 9/455 (2018.01); G06F 16/245 (2019.01)
CPC H04L 9/321 (2013.01) [G06F 9/45558 (2013.01); G06F 16/245 (2019.01); H04W 48/16 (2013.01); G06F 2009/45587 (2013.01); G06F 2009/45595 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
obtaining, by a second core network element, a control plane request from a first core network element;
based on the control plane request,
pausing processing of the control plane request on the second core network element while performing a security verification; and
activating a security agent of the second core network element to generate a query for the security verification;
sending the query for the security verification to a security verification device, the query including a current value associated with the first core network element for comparing by the security verification device with a second value representing an unmodified state of the first core network element; and
responsive to sending the query, receiving an alert message from the security verification device that indicates validation status of the first core network element.