  The MiniBooNE collaboration recently released a report claiming have observed
an excess of electron and anti-electron neutrino with significance of $4.8 \,
\sigma$ C.L. corroborating, in this way, the long-standing LSND anomaly.
Combined LSND and MiniBooNE analysis reach a significance of $6.0\, \sigma$
C.L. Such a result, if confirmed by future experiments, will cause considerable
impact on particle physics since that such anomalies, when interpreted in terms
of neutrino oscillation, require the existence of at least one light sterile
neutrino. It happens that, on according to standard scenarios, such light
sterile neutrino is incompatible with current cosmological data. In this way,
understand these anomalies require an extension of the standard model capable
of generating tiny masses for both active and sterile neutrinos and
re-conciliates such a result with cosmology. An interesting proposal in this
direction involve the existence of a secret sector interacting exclusively with
sterile neutrinos. In this work we implement the canonical seesaw mechanism
into the standard model in such a way that generates tiny masses to the active
and sterile neutrinos and embody a secret sector capable of re-conciliating eV
sterile neutrinos with cosmology. As other gains, the scalar content required
by the implementation of the mechanism provides contribution to rare lepton
decays, may accommodate the $g-2$ of the muon and poses a scalar singlet that
may drive inflation through Higgs inflation mechanism without problem with loss
of unitarity.
