Newsletters / CISO Series Newsletter
Who sponsors CISO Series Newsletter?
CISO Series Newsletter ran ads for 7 brands in the last 90 days: 9 ads, the latest on Sep 24, 2026. The most recent were NetFoundry, ActiveState and Nudge Security. That is more brands than 88% of the 846 newsletters we read ads in over the same 90 days; the median had 2.
- 7brands, last 90 days
- 9ads seen
- 2primary slot ads
- Sep 24latest ad
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Brands that sponsored CISO Series Newsletter
Every brand below ran an ad in CISO Series Newsletter in the last 90 days, newest first. Placement is the biggest slot the brand held: primary is the lead sponsor, secondary a mid-issue ad, classified a short listing. The last figure counts the other newsletters in our data where the brand also ran an ad.
| Brand | Placement | Ads | Last seen | Other newsletters |
|---|---|---|---|---|
 NetFoundrynetfoundry.io | Primary | 2 ads | Sep 2026 | |
 ActiveStateactivestate.com | Secondary | 1 ad | Sep 2026 | |
 Nudge Securitynudge.security | Secondary | 1 ad | Sep 2026 | |
 ThreatLockerthreatlocker.com | Primary | 2 ads | Sep 2026 | |
 Vantavanta.com | Secondary | 1 ad | Sep 2026 | 7 other newsletters |
 CoreViewcoreview.com | Secondary | 1 ad | Sep 2026 | |
 Ping Identitypingidentity.com | Secondary | 1 ad | Sep 2026 |
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Questions
Who sponsors CISO Series Newsletter?
NetFoundry, ActiveState, Nudge Security, ThreatLocker and Vanta are the most recent of the 7 brands that ran an ad in CISO Series Newsletter in the last 90 days. The table on this page lists all 7, with the slot each one held and when it last ran.
How many brands sponsor CISO Series Newsletter?
Book a Sponsor counted 7 brands and 9 ads between Jul 4, 2026 and Oct 2, 2026: 2 primary (the lead sponsor) and 7 secondary (a mid-issue ad).
How do I find sponsors for a newsletter like CISO Series Newsletter?
Start with brands that already buy ads in business newsletters. 119 brands bought business newsletter ads in the last 30 days. Paste your newsletter on this page and Book a Sponsor lists the brands that sponsored newsletters like yours, finds the person who buys the ads and drafts the pitch.
Where this comes from
Book a Sponsor reads published newsletter issues and records an ad when an issue shows one: a sponsor label, a tracked link or ad copy. Only ads from the last 90 days count, and each brand is counted once per issue. We do not see what a brand paid. Political, adult and non-English newsletters are left out, and so is a brand we cannot tie to a company. Read Oct 2, 2026, rebuilt every day.
Pitch the brands that already buy
Paste your newsletter. Book a Sponsor finds the brands that sponsored newsletters like yours, drafts the pitch and emails them every day. You get the replies.
$20 in free credits (200 emails), then 10¢ per email sent · first sponsor reply inside 30 days or the month is refunded
See every brand on the newsletter sponsors list, or who bought newsletter ads this week.