Adallom, founded in 2012, was an innovator in the cloud security space, specializing as a Cloud Access Security Broker (CASB). The company developed a platform to help enterprises secure their use of SaaS applications by providing visibility, governance, and protection for corporate data across cloud services like Salesforce, Google Apps, Office 365, and Box. Adallom's solution focused on identifying suspicious activity, preventing data breaches, and ensuring compliance. In September 2015, Microsoft acquired Adallom for a reported $320 million to bolster its enterprise cloud security capabilities. Adallom's technology and team were integrated into Microsoft's cloud security products, notably contributing to what became Microsoft Cloud App Security (MCAS), now part of Microsoft Defender for Cloud Apps.
Primarily served as the company's main research and development (R&D) center and corporate headquarters, driving product innovation and global operations pre-acquisition.
Located in a prominent business district in Tel Aviv, Adallom occupied modern office space within a tech-focused area. Specific architectural details are part of its history prior to Microsoft integration.
As a dynamic Israeli tech startup, Adallom likely fostered an innovative, collaborative, and agile work culture, centered on addressing cutting-edge cybersecurity challenges. Post-acquisition, employees and its innovative spirit were integrated into Microsoft's organizational culture.
Tel Aviv is a globally recognized center for cybersecurity talent and innovation (often referred to as 'Silicon Wadi'), providing Adallom with access to skilled engineers and a vibrant tech ecosystem crucial for its growth and development.
Prior to its acquisition by Microsoft in 2015, Adallom had developed a notable global presence. Its primary markets included enterprises in North America, Europe, and Israel. The company's cloud security solutions were designed to support globally dispersed organizations and their use of various SaaS applications. Adallom's sales efforts and partner ecosystem were expanding to cater to the increasing international demand for robust cloud application security.
Yigal Alon St 94
Tel Aviv-Yafo
Tel Aviv District
Israel
Address: 228 Hamilton Ave, Palo Alto, CA 94301, USA (historical)
To establish a strong presence in Silicon Valley, enabling direct engagement with US-based customers and strategic partners, and to tap into the local tech talent pool for market expansion and product feedback.
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As of April 2025, Adallom' leadership includes:
Adallom has been backed by several prominent investors over the years, including:
Adallom was acquired by Microsoft in September 2015 and its operations were subsequently integrated. As Adallom no longer functions as an independent company, there have been no executive new hires or exits attributable to 'Adallom' as a standalone entity in the last 12 months. Key executives transitioned to roles within Microsoft or embarked on new ventures following the acquisition.
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Prior to its acquisition by Microsoft, Adallom likely utilized common corporate email formats. These email addresses are no longer active as the company has been integrated into Microsoft. The adallom.com domain does not currently support email for the original entity.
Historically, common formats would have been [first].[last]@adallom.com or [first_initial][last]@adallom.com.
Format
assaf.rappaport@adallom.com (historical example)
Example
0 (The domain adallom.com is not in use for corporate email by the original Adallom entity post-acquisition).%
Success rate
Microsoft News • September 8, 2015
Microsoft officially announced its agreement to acquire Adallom, a leader in cloud security, to help customers protect their critical assets across cloud applications. This acquisition aimed to enhance Microsoft's enterprise security offerings....more
Reuters • July 20, 2015
Calcalist, an Israeli financial newspaper, reported that Microsoft was set to acquire Adallom for $320 million. Adallom specialized in providing security for software-as-a-service (SaaS) applications like Salesforce and Office 365....more
Index Ventures (via PR or tech news) • April 1, 2014
Adallom announced it secured $15 million in Series B funding. The round was led by Index Ventures, with participation from existing investor Sequoia Capital and new investor Hewlett Packard Pathfinder. The funding was aimed at accelerating product development and market expansion for its cloud application security platform....more
TechCrunch • December 10, 2012
Adallom emerged from stealth mode, announcing $4.5 million in Series A funding led by Sequoia Capital and Zohar Zisapel. The company aimed to provide enterprises with security solutions for their interactions with public cloud services and SaaS applications....more
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