Risk topic

Cybersecurity and data breaches

203 of 521 companies added a paragraph in Risk Factors that uses one of these words: cybersecurity, cyber, ransomware, data breach, cyberattack, hackers. The paragraph is in the latest 10-K and nothing like it was in the one before. It counts text; it does not say how serious a risk is. Words in capitals only (such as AI) must be in capitals.

By sector

Sector is the SEC's industry description of the company. The bar is the share of that sector's companies compared; each count opens that sector's quotes below.

532 paragraphs · Telephone & Telegraph Apparatus show all sectors

CIEN CIENA CORP · Telephone & Telegraph Apparatus

Cyber-attacks could compromise our technology and information, damaging our business and reputation and disrupting our operations.

Read in the 10-K filed Dec 12, 2025

Our network environment and assets, and those of our third-party business partners, maintain information that is confidential, regulated, proprietary or sensitive to our business. The frequency and sophistication of cybersecurity events globally continues to increase, including through the use of AI, with companies in our industry particularly targeted given the nature of the products that we sell. Companies in the technology, communications and networking industries have been subjected to data security incidents, including cyber-attacks, attacks against products, and other attempts to gain unauthorized access to network assets, infrastructure or sensitive information.

Read in the 10-K filed Dec 12, 2025

We and our business partners have been, and may be in the future, subjected to cybersecurity incidents including ransomware attacks, exploitation, intrusion, disruption and other attempts to gain unauthorized access. These incidents could cause us to incur significant costs, risk to our technology, disruption of our operations, harm to customers and stakeholders, and reputational damage. We may also be subject to increased regulatory scrutiny, governmental investigations or enforcement actions, and regulatory fines. Additionally, a data security incident may result in significant remediation expenses and increased cybersecurity protection and insurance costs.

Read in the 10-K filed Dec 12, 2025

1 more from CIEN, with the rest of what changed in its 10-K