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ACAS (1)
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Exam of 10 pages for the course ACAS Study at ACAS Study (ACAS (1))
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ACASThe ACAS product suite is - ANS-a commercial-off-the-shelf solution from Tenable Network
Security, which can detect known Cyberthreats to Air Force enterprise assets.
Agent-less
Scalable Solution
Network Discovery
Compliance Reporting
Why is ACAS Important? - ANS---The only DISA approved Vulnerability Scanning tool
--USCYBERCOM Tasking Order 17- 0019 - Assured Compliance Assessment Solution (ACAS)
Operational Guidance
--Identifies a wide variety of vulnerabilities for your base
--Identifies computers, servers, printers, switches, routers and IP phones on your base
--Allows for a graphical view of your vulnerabilities for leadership
ACAS Components - ANS---ACAS components:
Tenable SecurityCenter
Nessus Scanners
--One SecurityCenter per MAJCOM and two Nessus Scanners per site
--Each Nessus Scanner can handle a Maximum of 2500 IPs
--Nessus scanners can be physical or virtual
What is an Organization? - ANS---Primary object within SecurityCenter used to group users and
assign resources and permissions
--Air Force Organizations are grouped by base location
Ex. Ramstein Organization, Langley Organization
Scan Zones - ANS---Defines the IP ranges associated with the scanner along with
organizational access
--SecurityCenter allows defined Organizations to be configured with two different scan zone
modes: "selectable" and "forced"
Network Address Declaration Form (NAD) - ANS---Form filled out by base comm squadrons that
lays out all IP addresses within their Communications Circuit System Designator (CCSD)
--Official document for appointment letters for VAT (Vulnerability Assessment Technician)
--NOT Classified Secret when filled out IAW DISA Circular 300-115-3 DISN SIPRNet Security
Classification Guide
--Submit via SIPR Remedy ticket assigned to the "AFNET EITSM > CSCS > Vulnerability
Assessment" queue
--Minimum once every six months
, What is a Repository - ANS-A database of vulnerability data defined by one or more ranges of
IP addresses or mobile data types.
SecurityCenter integrates - ANS-repositories of vulnerability data that are shared as needed
among users and organizations based on manager-defined assets.
The NOS/COS have created each base each of the following repositories: - ANS->Credentialed
Scan Data
>Non-Credentialed Scan Data
>Compliance Scan Data
The blackout window in SecurityCenter - ANS->>specifies a timeframe where new scans are
prohibited from launching
>>Prevents remediation or ad-hoc scans from being performed during timeframes when they
are not desired, such as production hours
!! Warning - Current running scans are stopped at the beginning of the blackout window period
Blackout windows are set - ANS-using the Organization account at the base by the servicing
NOS/COS.
ACAS Limitations - ANS->>ACAS CANNOT apply patches or alter configuration settings, only
reports scan findings
>>Too many concurrent tasks can overload/lock database and cease functions
>>Nessus scanners require base technicians to troubleshoot and perform regular touch
maintenance in correlation with AFLCMC/PMO.
>>Number of accounts can impact performance
2 accounts per site, per network
MUST be associated with CAC (2FA)
>>Can only scan internal base network.
Monthly Scanning Mission - ANS->>TASKORD 17-0019 and VM MPTO 00-33A-0019
>>The base must conduct monthly vulnerability and audit scans
>>All active IP ranges must be scanned, every asset with an IP address in these ranges must
be included
Comm Squadron's Roles & Responsibilities: - ANS->>Completion/Update of NAD Form
>>Conduct Monthly Base Scans
>>Targeted Scanning of Assets
>>Generate/Upload Reports to AMAC
>>Creation of:
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