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Harvest now, decrypt later attacks pose a security
concern as organizations consider implications of
quantum computing
Deloitte poll results from July 28, 2022
Harvest now, decrypt later attacks pose a security concern as organizations consider implications
of quantum computing
Copyright © 2022 Deloitte Development LLC. All rights reserved.
400+
Methodology
Professionals from organizations that have
already considered quantum computing's
benefits were polled online during a Deloitte
webcast titled “Insights and action:
Preparing for quantum era opportunities and
threats” on July 28, 2022. Answer rates
differed by question.
In some instances, immaterial amounts (e.g., +/-
0.1%) have been added to or removed from the
“Don’t know/not applicable” answer responses to
bring results to 100% total for each question.
Harvest now, decrypt later attacks pose a security concern as organizations consider implications
of quantum computing
Copyright © 2022 Deloitte Development LLC. All rights reserved.
Don’t know / not applicable = 25.8%
Has your organization assessed its potential exposure to the encryption
vulnerabilities that will be created by quantum computers?
Votes received 625
Yes, we have completed a risk assessment
No, but we plan to conduct a quantum risk
assessment within the next 1 year
No, but we plan to conduct a quantum risk
assessment within the next 2-5 years
No, but we will probably work to assess our
quantum cyber risk in the next 6-10 years
No, it's not something we plan to do
26.6%
18.4%
16.2%
6.9%
6.1%
Harvest now, decrypt later attacks pose a security concern as organizations consider implications
of quantum computing
Copyright © 2022 Deloitte Development LLC. All rights reserved.
Do you believe that your organization is at risk to "harvest-now, decrypt-later
(HNDL)" attacks (e.g., threat actors may be collecting sensitive data now that
quantum computing will make valuable later)?
Votes received 566
50.2%
21.2%
28.6%
Yes No Don't know
Harvest now, decrypt later attacks pose a security concern as organizations consider implications
of quantum computing
Copyright © 2022 Deloitte Development LLC. All rights reserved.
Don’t know / not applicable = 18.0%
Which is most likely to drive advancement in your organization's quantum
security risk management efforts?
Votes received 411
Leadership demand (e.g., from board of directors,
CISO/CSO) for cryptographic agility to solve for
algorithms made obsolete by quantum computing
Regulatory pressure to adopt legislation or policies
Competitors' advancements in quantum computing
and related security risk management
A cyber incident within my organization (e.g.,
exfiltration of my organization's data) will cause a
reassessment of our security posture
Client or shareholder demand for cryptographic
agility to solve for algorithms made obsolete by
quantum computing
27.7%
20.7%
15.1%
11.7%
6.8%
Harvest now, decrypt later attacks pose a security concern as organizations consider implications
of quantum computing
Copyright © 2022 Deloitte Development LLC. All rights reserved.
Media Contacts
Taylor Graham
Public Relations
Deloitte Services LP
tagraham@deloitte.com
Shelley Pfaendler
Public Relations
Deloitte Services LP
spfaendler@deloitte.com
The statements in this report reflect the aggregation of poll responses and are not intended to reflect facts or opinions of any entities. All data,
charts and statistics referenced and presented, as well as the representations made and opinions expressed, unless specifically described
otherwise, pertain only to the participants and their responses to the Deloitte poll. The information obtained during the poll was taken “as is”
and was not validated or confirmed by Deloitte.
This presentation contains general information only and Deloitte is not, by means of this presentation, rendering accounting, business, financial,
investment, legal, tax, or other professional advice or services. This presentation is not a substitute for such professional advice or services, nor
should it be used as a basis for any decision or action that may affect your business. Before making any decision or taking any action that may
affect your business, you should consult a qualified professional advisor.
Deloitte shall not be responsible for any loss sustained by any person who relies on this presentation.
About Deloitte
Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”), its network of
member firms, and their related entities. DTTL and each of its member firms are legally separate and independent entities. DTTL (also referred to
as “Deloitte Global”) does not provide services to clients. In the United States, Deloitte refers to one or more of the US member firms of DTTL,
their related entities that operate using the “Deloitte” name in the United States and their respective affiliates. Certain services may not be
available to attest clients under the rules and regulations of public accounting. Please see www.deloitte.com/about to learn more about our
global network of member firms.
Copyright © 2022 Deloitte Development LLC. All rights reserved.

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Harvest Now, Decrypt Later Attacks Pose a Security Concern as Organizations Consider Implications of Quantum Computing

  • 1. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Deloitte poll results from July 28, 2022
  • 2. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Copyright © 2022 Deloitte Development LLC. All rights reserved. 400+ Methodology Professionals from organizations that have already considered quantum computing's benefits were polled online during a Deloitte webcast titled “Insights and action: Preparing for quantum era opportunities and threats” on July 28, 2022. Answer rates differed by question. In some instances, immaterial amounts (e.g., +/- 0.1%) have been added to or removed from the “Don’t know/not applicable” answer responses to bring results to 100% total for each question.
  • 3. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Copyright © 2022 Deloitte Development LLC. All rights reserved. Don’t know / not applicable = 25.8% Has your organization assessed its potential exposure to the encryption vulnerabilities that will be created by quantum computers? Votes received 625 Yes, we have completed a risk assessment No, but we plan to conduct a quantum risk assessment within the next 1 year No, but we plan to conduct a quantum risk assessment within the next 2-5 years No, but we will probably work to assess our quantum cyber risk in the next 6-10 years No, it's not something we plan to do 26.6% 18.4% 16.2% 6.9% 6.1%
  • 4. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Copyright © 2022 Deloitte Development LLC. All rights reserved. Do you believe that your organization is at risk to "harvest-now, decrypt-later (HNDL)" attacks (e.g., threat actors may be collecting sensitive data now that quantum computing will make valuable later)? Votes received 566 50.2% 21.2% 28.6% Yes No Don't know
  • 5. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Copyright © 2022 Deloitte Development LLC. All rights reserved. Don’t know / not applicable = 18.0% Which is most likely to drive advancement in your organization's quantum security risk management efforts? Votes received 411 Leadership demand (e.g., from board of directors, CISO/CSO) for cryptographic agility to solve for algorithms made obsolete by quantum computing Regulatory pressure to adopt legislation or policies Competitors' advancements in quantum computing and related security risk management A cyber incident within my organization (e.g., exfiltration of my organization's data) will cause a reassessment of our security posture Client or shareholder demand for cryptographic agility to solve for algorithms made obsolete by quantum computing 27.7% 20.7% 15.1% 11.7% 6.8%
  • 6. Harvest now, decrypt later attacks pose a security concern as organizations consider implications of quantum computing Copyright © 2022 Deloitte Development LLC. All rights reserved. Media Contacts Taylor Graham Public Relations Deloitte Services LP tagraham@deloitte.com Shelley Pfaendler Public Relations Deloitte Services LP spfaendler@deloitte.com
  • 7. The statements in this report reflect the aggregation of poll responses and are not intended to reflect facts or opinions of any entities. All data, charts and statistics referenced and presented, as well as the representations made and opinions expressed, unless specifically described otherwise, pertain only to the participants and their responses to the Deloitte poll. The information obtained during the poll was taken “as is” and was not validated or confirmed by Deloitte. This presentation contains general information only and Deloitte is not, by means of this presentation, rendering accounting, business, financial, investment, legal, tax, or other professional advice or services. This presentation is not a substitute for such professional advice or services, nor should it be used as a basis for any decision or action that may affect your business. Before making any decision or taking any action that may affect your business, you should consult a qualified professional advisor. Deloitte shall not be responsible for any loss sustained by any person who relies on this presentation. About Deloitte Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”), its network of member firms, and their related entities. DTTL and each of its member firms are legally separate and independent entities. DTTL (also referred to as “Deloitte Global”) does not provide services to clients. In the United States, Deloitte refers to one or more of the US member firms of DTTL, their related entities that operate using the “Deloitte” name in the United States and their respective affiliates. Certain services may not be available to attest clients under the rules and regulations of public accounting. Please see www.deloitte.com/about to learn more about our global network of member firms. Copyright © 2022 Deloitte Development LLC. All rights reserved.