<PAGE>
                                                                    EXHIBIT 24.1

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, her true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for her and in her name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as she might or could do in person, hereby ratifying
and confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 12, 2003


      /s/  Jane Evans
      ----------------------
      Jane Evans

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 12th day of February, 2003, before me, the undersigned Notary
Public, personally appeared Jane Evans, known to me to be the person whose name
is subscribed to the within instrument and acknowledged that he executed the
same for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                      /s/ Douglas J. Reich
                                      ----------------------------
                                      Notary Public

My commission expires:

October 24, 2004

<PAGE>

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, his true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 5, 2003


      /s/  George R. Wallner
      -----------------------------------
      George Wallner

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 5th day of February, 2003, before me, the undersigned Notary
Public, personally appeared George Wallner, known to me to be the person whose
name is subscribed to the within instrument and acknowledged that he executed
the same for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.

                                      /s/ Douglas J. Reich
                                      ------------------------------
                                      Notary Public

My commission expires:

October 24, 2004

<PAGE>

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, his true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 5, 2003


      /s/  Albert Irato
      ---------------------------------
      Albert Irato

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 5th day of February, 2003, before me, the undersigned Notary
Public, personally appeared Albert Irato, known to me to be the person whose
name is subscribed to the within instrument and acknowledged that he executed
the same for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                      /s/ Douglas J. Reich
                                      ---------------------------------
                                      Notary Public

My commission expires:

October 24, 2004

<PAGE>

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, his true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 12, 2003


      /s/  Daniel D. Diethelm
      ---------------------------------
      Daniel Diethelm

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 12th day of February, 2003, before me, the undersigned Notary
Public, personally appeared Daniel D. Diethelm, known to me to be the person
whose name is subscribed to the within instrument and acknowledged that he
executed the same for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                      /s/ Douglas J. Reich
                                      ----------------------------------
                                      Notary Public

My commission expires:

October 24, 2004

<PAGE>

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, his true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 5, 2003


      /s/  Jock Patton
      -----------------------------
      Jock Patton

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 5th day of February, 2003, before me, the undersigned Notary
Public, personally appeared Jock Paton, known to me to be the person whose name
is subscribed to the within instrument and acknowledged that he executed the
same for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                      /s/ Douglas J. Reich
                                      --------------------------------
                                      Notary Public

My commission expires:

October 24, 2004

<PAGE>

                            SPECIAL POWER OF ATTORNEY

      The undersigned constitutes and appoints Christopher S. Alexander and John
W. Smolak, and each of them, his true and lawful attorney-in-fact and agent with
full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign the Annual Report on Form 10-K for
the fiscal year ended December 31, 2002, for filing with the Securities and
Exchange Commission by Hypercom Corporation, a Delaware corporation, together
with any and all amendments to such Form 10-K, and to file the same with all
exhibits thereto, and all documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully and to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that such attorneys-in-fact and agents, or each of them, may
lawfully do or cause to be done by virtue hereof.

      DATED: February 5, 2003


      /s/  William Keiper
      ----------------------------------
      William Keiper

STATE OF ARIZONA           )
                           )
County of Maricopa         )

      On this 5th day of February, 2003, before me, the undersigned Notary
Public, personally appeared Al Irato, known to me to be the person whose name is
subscribed to the within instrument and acknowledged that he executed the same
for the purposes therein contained.

      IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                      /s/ Douglas J. Reich
                                      -----------------------------------
                                      Notary Public

My commission expires:

October 24, 2004