[cabfpub] Voting begins: Ballot SC3 version 2

Neil Dunbar ndunbar at trustcorsystems.com
Mon Aug 13 17:09:02 UTC 2018

TrustCor Systems votes YES on Ballot SC3 version 2



> On 9 Aug 2018, at 16:48, Tim Hollebeek via Public <public at cabforum.org> wrote:
> https://github.com/cabforum/documents/compare/SC3-PasswordChangesDieDieDie?expand=1 <https://github.com/cabforum/documents/compare/SC3-PasswordChangesDieDieDie?expand=1>
> Ballot SC3: Two-Factor Authentication and Password Improvements
> Purpose of Ballot: The Network Security Working Group met a number of times to 
> improve the Network Security Guidelines requirements around authentication,
> specifically by requiring two-factor authentication, and improving the password 
> requirements in line with more recent NIST guidelines.
> While CAs are encouraged to improve their password requirements as soon as 
> possible, a two year grace period is being given to allow organizations to 
> develop and implement policies to implement the improved requirements, especially
> since some organizations may have to simultaneously comply with other
> compliance frameworks that have not been updated yet and are based on older NIST 
> guidance about passwords.
> The following motion has been proposed by Tim Hollebeek of DigiCert and endorsed 
> by Dimitris Zacharopoulos of Harica and Neil Dunbar of TrustCor.
> This ballot modifies the “Network and Certificate System Security Requirements” 
> as follows, based upon Version 1.1:
> In the definitions, add a definition for Multi-Factor Authentication:
> "Multi-Factor Authentication: An authentication mechanism consisting of two or 
> more of the following independent categories of credentials (i.e. factors) to 
> verify the user’s identity for a login or other transaction: something you know 
> (knowledge factor), something you have (possession factor), and something you 
> are (inherence factor).  Each factor must be independent.  Certificate-based 
> authentication can be used as part of Multifactor Authentication only if the 
> private key is stored in a Secure Key Storage Device."
> Capitalize all instances of the defined term "Multi-Factor Authentication".
> Add a definition for Secure Key Storage Device:
> "Secure Key Storage Device: A device certified as meeting at least FIPS 140-2
> level 2 overall, level 3 physical, or Common Criteria (EAL 4+)."
> In section 1.j., capitalize Multi-Factor Authentication, and strike the 
> parenthetical reference to subsection 2.n.(ii).
> In section 2.f., add "(for accountability purposes, group accounts or shared
> role credentials SHALL NOT be used)" after "authenticate to Certificate Systems".
> Change section 2.g. to read:
> "g. If an authentication control used by a Trusted Role is a username and password, 
>     then, where technically feasible, implement the following controls:
>   i.           For accounts that are accessible only within Secure Zones or High Security 
>                Zones, require that passwords have at least twelve (12) characters; 
>   ii.          For authentications which cross a zone boundary into a Secure Zone or High 
>                Security Zone, require Multi-Factor Authentication.  For accounts accessible 
>                from outside a Secure Zone or High Security Zone require passwords that have 
>                at least eight (8) characters and are not be one of the user's previous 
>                four (4) passwords; and implement account lockout for failed access attempts 
>                in accordance with subsection k;
>   iii.         When developing password policies, CAs SHOULD take into account the password 
>                guidance in NIST 800-63B Appendix A.
>   iv.          Frequent password changes have been shown to cause users to select less 
>                secure passwords.  If the CA has any policy that specifies routine periodic 
>                password changes, that period SHOULD NOT be less than two years.  Effective 
>                April 1, 2020, if the CA has any policy that requires routine periodic password 
>                changes, that period SHALL NOT be less than two years.
> In section 2.h., change "Require" to "Have a policy that requires"
> In section 2.i., change "Configure" to "Have a procedure to configure"
> Change section 2.k. to read:
> "k. Lockout account access to Certificate Systems after no more than five (5) failed 
>     access attempts, provided that this security measure:
>   i.           is supported by the Certificate System,
>   ii.          Cannot be leveraged for a denial of service attack, and
>   iii.        does not weaken the security of this authentication control;"
> Change section 2.n. to read:
> "Enforce Multi-Factor Authentication for all Trusted Role accounts on Certificate
> Systems (including those approving the issuance of a Certificate, which equally
> applies to Delegated Third Parties) that are accessible from outside a Secure Zone
> or High Security Zone; and"
> The procedure for approval of this ballot is as follows:
> Discussion (7+ days)
> Start Time: 2018-07-26  17:45 Eastern
> End Time: 2018-08-09 11:45 Eastern
> Vote for approval (7 days)
> Start Time: 2018-08-09 11:45 Eastern
> End Time: 2018-08-16 11:45 Eastern
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